Home / 417,127-576,110.46-282,757.72

Finding the Fourth Proportional to 417,127, 576,110.46 and 282,757.72

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Solution

The fourth proportional to 417,127, 576,110.46 and 282,757.72 is: 390,527.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,127 : 576,110.46 = 282,757.72 : x
  2. Step 2: Convert to fraction form
    417,127/576,110.46 = 282,757.72/x
  3. Step 3: Cross multiply
    417,127x = 576,110.46 × 282,757.72
  4. Step 4: Simplify right side
    417,127x = 162,899,680,137.75
  5. Step 5: Solve for x
    x = 162,899,680,137.75/417,127
  6. Step 6: Final answer
    x = 390,527.78

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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.