Home / 719,309.28-1,079,166.23-314,537.10

Finding the Fourth Proportional to 719,309.28, 1,079,166.23 and 314,537.10

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Solution

The fourth proportional to 719,309.28, 1,079,166.23 and 314,537.10 is: 471,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,309.28 : 1,079,166.23 = 314,537.10 : x
  2. Step 2: Convert to fraction form
    719,309.28/1,079,166.23 = 314,537.10/x
  3. Step 3: Cross multiply
    719,309.28x = 1,079,166.23 × 314,537.10
  4. Step 4: Simplify right side
    719,309.28x = 339,437,816,402.13
  5. Step 5: Solve for x
    x = 339,437,816,402.13/719,309.28
  6. Step 6: Final answer
    x = 471,894.12

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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.