Home / 623,969.28-861,077.66-337,489.38

Finding the Fourth Proportional to 623,969.28, 861,077.66 and 337,489.38

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Solution

The fourth proportional to 623,969.28, 861,077.66 and 337,489.38 is: 465,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,969.28 : 861,077.66 = 337,489.38 : x
  2. Step 2: Convert to fraction form
    623,969.28/861,077.66 = 337,489.38/x
  3. Step 3: Cross multiply
    623,969.28x = 861,077.66 × 337,489.38
  4. Step 4: Simplify right side
    623,969.28x = 290,604,565,605.25
  5. Step 5: Solve for x
    x = 290,604,565,605.25/623,969.28
  6. Step 6: Final answer
    x = 465,735.37

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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.