Home / 623,971.28-861,080.43-337,491.38

Finding the Fourth Proportional to 623,971.28, 861,080.43 and 337,491.38

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Solution

The fourth proportional to 623,971.28, 861,080.43 and 337,491.38 is: 465,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,971.28 : 861,080.43 = 337,491.38 : x
  2. Step 2: Convert to fraction form
    623,971.28/861,080.43 = 337,491.38/x
  3. Step 3: Cross multiply
    623,971.28x = 861,080.43 × 337,491.38
  4. Step 4: Simplify right side
    623,971.28x = 290,607,218,306.29
  5. Step 5: Solve for x
    x = 290,607,218,306.29/623,971.28
  6. Step 6: Final answer
    x = 465,738.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.