Home / 746,101.10-1,119,151.65-509,905.10

Finding the Fourth Proportional to 746,101.10, 1,119,151.65 and 509,905.10

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Solution

The fourth proportional to 746,101.10, 1,119,151.65 and 509,905.10 is: 764,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,101.10 : 1,119,151.65 = 509,905.10 : x
  2. Step 2: Convert to fraction form
    746,101.10/1,119,151.65 = 509,905.10/x
  3. Step 3: Cross multiply
    746,101.10x = 1,119,151.65 × 509,905.10
  4. Step 4: Simplify right side
    746,101.10x = 570,661,134,008.42
  5. Step 5: Solve for x
    x = 570,661,134,008.42/746,101.10
  6. Step 6: Final answer
    x = 764,857.65

Related Problems

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Half scale
Find fourth proportional to 1,492,202.20, 2,238,303.30 and 1,019,810.20
Double scale
Find fourth proportional to 746,102.10, 1,119,153.15 and 509,906.10
Similar ratio
Find fourth proportional to 1,119,151.65, 1,678,727.48 and 764,857.65
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.