Home / 927,753.15-1,391,191.11-359,400.45

Finding the Fourth Proportional to 927,753.15, 1,391,191.11 and 359,400.45

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Solution

The fourth proportional to 927,753.15, 1,391,191.11 and 359,400.45 is: 538,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,753.15 : 1,391,191.11 = 359,400.45 : x
  2. Step 2: Convert to fraction form
    927,753.15/1,391,191.11 = 359,400.45/x
  3. Step 3: Cross multiply
    927,753.15x = 1,391,191.11 × 359,400.45
  4. Step 4: Simplify right side
    927,753.15x = 499,994,710,970.00
  5. Step 5: Solve for x
    x = 499,994,710,970.00/927,753.15
  6. Step 6: Final answer
    x = 538,930.76

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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.