Home / 545,176.49-752,326.80-303,452.85

Finding the Fourth Proportional to 545,176.49, 752,326.80 and 303,452.85

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Solution

The fourth proportional to 545,176.49, 752,326.80 and 303,452.85 is: 418,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,176.49 : 752,326.80 = 303,452.85 : x
  2. Step 2: Convert to fraction form
    545,176.49/752,326.80 = 303,452.85/x
  3. Step 3: Cross multiply
    545,176.49x = 752,326.80 × 303,452.85
  4. Step 4: Simplify right side
    545,176.49x = 228,295,711,591.38
  5. Step 5: Solve for x
    x = 228,295,711,591.38/545,176.49
  6. Step 6: Final answer
    x = 418,755.61

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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.