Home / 823,031.28-1,135,737.18-460,385.12

Finding the Fourth Proportional to 823,031.28, 1,135,737.18 and 460,385.12

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Solution

The fourth proportional to 823,031.28, 1,135,737.18 and 460,385.12 is: 635,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,031.28 : 1,135,737.18 = 460,385.12 : x
  2. Step 2: Convert to fraction form
    823,031.28/1,135,737.18 = 460,385.12/x
  3. Step 3: Cross multiply
    823,031.28x = 1,135,737.18 × 460,385.12
  4. Step 4: Simplify right side
    823,031.28x = 522,876,497,902.76
  5. Step 5: Solve for x
    x = 522,876,497,902.76/823,031.28
  6. Step 6: Final answer
    x = 635,305.74

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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.