Home / 817,996.38-1,128,542.78-473,644.32

Finding the Fourth Proportional to 817,996.38, 1,128,542.78 and 473,644.32

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Solution

The fourth proportional to 817,996.38, 1,128,542.78 and 473,644.32 is: 653,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,996.38 : 1,128,542.78 = 473,644.32 : x
  2. Step 2: Convert to fraction form
    817,996.38/1,128,542.78 = 473,644.32/x
  3. Step 3: Cross multiply
    817,996.38x = 1,128,542.78 × 473,644.32
  4. Step 4: Simplify right side
    817,996.38x = 534,527,875,255.79
  5. Step 5: Solve for x
    x = 534,527,875,255.79/817,996.38
  6. Step 6: Final answer
    x = 653,459.95

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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.