Home / 527,943.85-728,507.94-324,003.35

Finding the Fourth Proportional to 527,943.85, 728,507.94 and 324,003.35

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Solution

The fourth proportional to 527,943.85, 728,507.94 and 324,003.35 is: 447,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,943.85 : 728,507.94 = 324,003.35 : x
  2. Step 2: Convert to fraction form
    527,943.85/728,507.94 = 324,003.35/x
  3. Step 3: Cross multiply
    527,943.85x = 728,507.94 × 324,003.35
  4. Step 4: Simplify right side
    527,943.85x = 236,039,013,061.60
  5. Step 5: Solve for x
    x = 236,039,013,061.60/527,943.85
  6. Step 6: Final answer
    x = 447,091.13

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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.