Home / 832,490.38-1,148,832.48-450,517.24

Finding the Fourth Proportional to 832,490.38, 1,148,832.48 and 450,517.24

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Solution

The fourth proportional to 832,490.38, 1,148,832.48 and 450,517.24 is: 621,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,490.38 : 1,148,832.48 = 450,517.24 : x
  2. Step 2: Convert to fraction form
    832,490.38/1,148,832.48 = 450,517.24/x
  3. Step 3: Cross multiply
    832,490.38x = 1,148,832.48 × 450,517.24
  4. Step 4: Simplify right side
    832,490.38x = 517,568,838,111.96
  5. Step 5: Solve for x
    x = 517,568,838,111.96/832,490.38
  6. Step 6: Final answer
    x = 621,711.49

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Double scale
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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.