Home / 679,147.45-937,229.04-424,646.17

Finding the Fourth Proportional to 679,147.45, 937,229.04 and 424,646.17

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Solution

The fourth proportional to 679,147.45, 937,229.04 and 424,646.17 is: 586,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,147.45 : 937,229.04 = 424,646.17 : x
  2. Step 2: Convert to fraction form
    679,147.45/937,229.04 = 424,646.17/x
  3. Step 3: Cross multiply
    679,147.45x = 937,229.04 × 424,646.17
  4. Step 4: Simplify right side
    679,147.45x = 397,990,722,248.78
  5. Step 5: Solve for x
    x = 397,990,722,248.78/679,147.45
  6. Step 6: Final answer
    x = 586,015.19

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Double scale
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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.