Home / 726,034.98-1,001,781.45-424,170.66

Finding the Fourth Proportional to 726,034.98, 1,001,781.45 and 424,170.66

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Solution

The fourth proportional to 726,034.98, 1,001,781.45 and 424,170.66 is: 585,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,034.98 : 1,001,781.45 = 424,170.66 : x
  2. Step 2: Convert to fraction form
    726,034.98/1,001,781.45 = 424,170.66/x
  3. Step 3: Cross multiply
    726,034.98x = 1,001,781.45 × 424,170.66
  4. Step 4: Simplify right side
    726,034.98x = 424,926,298,822.26
  5. Step 5: Solve for x
    x = 424,926,298,822.26/726,034.98
  6. Step 6: Final answer
    x = 585,269.73

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Double scale
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Similar ratio
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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.