Home / 1,030,719.80-1,546,079.70-432,356.60

Finding the Fourth Proportional to 1,030,719.80, 1,546,079.70 and 432,356.60

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Solution

The fourth proportional to 1,030,719.80, 1,546,079.70 and 432,356.60 is: 648,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,719.80 : 1,546,079.70 = 432,356.60 : x
  2. Step 2: Convert to fraction form
    1,030,719.80/1,546,079.70 = 432,356.60/x
  3. Step 3: Cross multiply
    1,030,719.80x = 1,546,079.70 × 432,356.60
  4. Step 4: Simplify right side
    1,030,719.80x = 668,457,762,421.02
  5. Step 5: Solve for x
    x = 668,457,762,421.02/1,030,719.80
  6. Step 6: Final answer
    x = 648,534.90

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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.