Home / 527,943.35-728,507.25-324,002.85

Finding the Fourth Proportional to 527,943.35, 728,507.25 and 324,002.85

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Solution

The fourth proportional to 527,943.35, 728,507.25 and 324,002.85 is: 447,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,943.35 : 728,507.25 = 324,002.85 : x
  2. Step 2: Convert to fraction form
    527,943.35/728,507.25 = 324,002.85/x
  3. Step 3: Cross multiply
    527,943.35x = 728,507.25 × 324,002.85
  4. Step 4: Simplify right side
    527,943.35x = 236,038,425,245.66
  5. Step 5: Solve for x
    x = 236,038,425,245.66/527,943.35
  6. Step 6: Final answer
    x = 447,090.44

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1.5x scale

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.