Home / 527,941.85-728,505.18-324,001.35

Finding the Fourth Proportional to 527,941.85, 728,505.18 and 324,001.35

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Solution

The fourth proportional to 527,941.85, 728,505.18 and 324,001.35 is: 447,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,941.85 : 728,505.18 = 324,001.35 : x
  2. Step 2: Convert to fraction form
    527,941.85/728,505.18 = 324,001.35/x
  3. Step 3: Cross multiply
    527,941.85x = 728,505.18 × 324,001.35
  4. Step 4: Simplify right side
    527,941.85x = 236,036,661,801.99
  5. Step 5: Solve for x
    x = 236,036,661,801.99/527,941.85
  6. Step 6: Final answer
    x = 447,088.38

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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.