Home / 935,781.88-1,291,381.95-506,065

Finding the Fourth Proportional to 935,781.88, 1,291,381.95 and 506,065

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Solution

The fourth proportional to 935,781.88, 1,291,381.95 and 506,065 is: 698,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,781.88 : 1,291,381.95 = 506,065 : x
  2. Step 2: Convert to fraction form
    935,781.88/1,291,381.95 = 506,065/x
  3. Step 3: Cross multiply
    935,781.88x = 1,291,381.95 × 506,065
  4. Step 4: Simplify right side
    935,781.88x = 653,523,206,526.75
  5. Step 5: Solve for x
    x = 653,523,206,526.75/935,781.88
  6. Step 6: Final answer
    x = 698,371.30

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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.