Home / 716,207.73-988,035.33-429,229.59

Finding the Fourth Proportional to 716,207.73, 988,035.33 and 429,229.59

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Solution

The fourth proportional to 716,207.73, 988,035.33 and 429,229.59 is: 592,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,207.73 : 988,035.33 = 429,229.59 : x
  2. Step 2: Convert to fraction form
    716,207.73/988,035.33 = 429,229.59/x
  3. Step 3: Cross multiply
    716,207.73x = 988,035.33 × 429,229.59
  4. Step 4: Simplify right side
    716,207.73x = 424,093,999,601.42
  5. Step 5: Solve for x
    x = 424,093,999,601.42/716,207.73
  6. Step 6: Final answer
    x = 592,138.26

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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.