Home / 417,970.38-576,975.62-282,188.18

Finding the Fourth Proportional to 417,970.38, 576,975.62 and 282,188.18

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Solution

The fourth proportional to 417,970.38, 576,975.62 and 282,188.18 is: 389,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,970.38 : 576,975.62 = 282,188.18 : x
  2. Step 2: Convert to fraction form
    417,970.38/576,975.62 = 282,188.18/x
  3. Step 3: Cross multiply
    417,970.38x = 576,975.62 × 282,188.18
  4. Step 4: Simplify right side
    417,970.38x = 162,815,700,112.17
  5. Step 5: Solve for x
    x = 162,815,700,112.17/417,970.38
  6. Step 6: Final answer
    x = 389,538.85

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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.