Home / 782,620.00-1,172,401.15-539,417.85

Finding the Fourth Proportional to 782,620.00, 1,172,401.15 and 539,417.85

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Solution

The fourth proportional to 782,620.00, 1,172,401.15 and 539,417.85 is: 808,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,620.00 : 1,172,401.15 = 539,417.85 : x
  2. Step 2: Convert to fraction form
    782,620.00/1,172,401.15 = 539,417.85/x
  3. Step 3: Cross multiply
    782,620.00x = 1,172,401.15 × 539,417.85
  4. Step 4: Simplify right side
    782,620.00x = 632,414,113,587.61
  5. Step 5: Solve for x
    x = 632,414,113,587.61/782,620.00
  6. Step 6: Final answer
    x = 808,073.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.