Home / 417,960.18-576,961.61-282,178.05

Finding the Fourth Proportional to 417,960.18, 576,961.61 and 282,178.05

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Solution

The fourth proportional to 417,960.18, 576,961.61 and 282,178.05 is: 389,524.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,960.18 : 576,961.61 = 282,178.05 : x
  2. Step 2: Convert to fraction form
    417,960.18/576,961.61 = 282,178.05/x
  3. Step 3: Cross multiply
    417,960.18x = 576,961.61 × 282,178.05
  4. Step 4: Simplify right side
    417,960.18x = 162,805,902,034.66
  5. Step 5: Solve for x
    x = 162,805,902,034.66/417,960.18
  6. Step 6: Final answer
    x = 389,524.91

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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.