Home / 623,971.72-861,078.15-337,491.12

Finding the Fourth Proportional to 623,971.72, 861,078.15 and 337,491.12

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Solution

The fourth proportional to 623,971.72, 861,078.15 and 337,491.12 is: 465,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,971.72 : 861,078.15 = 337,491.12 : x
  2. Step 2: Convert to fraction form
    623,971.72/861,078.15 = 337,491.12/x
  3. Step 3: Cross multiply
    623,971.72x = 861,078.15 × 337,491.12
  4. Step 4: Simplify right side
    623,971.72x = 290,606,229,251.03
  5. Step 5: Solve for x
    x = 290,606,229,251.03/623,971.72
  6. Step 6: Final answer
    x = 465,736.22

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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.