Home / 460,508.38-635,326.89-279,154.18

Finding the Fourth Proportional to 460,508.38, 635,326.89 and 279,154.18

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Solution

The fourth proportional to 460,508.38, 635,326.89 and 279,154.18 is: 385,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,508.38 : 635,326.89 = 279,154.18 : x
  2. Step 2: Convert to fraction form
    460,508.38/635,326.89 = 279,154.18/x
  3. Step 3: Cross multiply
    460,508.38x = 635,326.89 × 279,154.18
  4. Step 4: Simplify right side
    460,508.38x = 177,354,157,009.90
  5. Step 5: Solve for x
    x = 177,354,157,009.90/460,508.38
  6. Step 6: Final answer
    x = 385,126.88

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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.