Home / 623,958.18-861,061.35-337,477.38

Finding the Fourth Proportional to 623,958.18, 861,061.35 and 337,477.38

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Solution

The fourth proportional to 623,958.18, 861,061.35 and 337,477.38 is: 465,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,958.18 : 861,061.35 = 337,477.38 : x
  2. Step 2: Convert to fraction form
    623,958.18/861,061.35 = 337,477.38/x
  3. Step 3: Cross multiply
    623,958.18x = 861,061.35 × 337,477.38
  4. Step 4: Simplify right side
    623,958.18x = 290,588,728,417.26
  5. Step 5: Solve for x
    x = 290,588,728,417.26/623,958.18
  6. Step 6: Final answer
    x = 465,718.28

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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.