Home / 817,979.17-1,128,519.12-473,627.17

Finding the Fourth Proportional to 817,979.17, 1,128,519.12 and 473,627.17

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Solution

The fourth proportional to 817,979.17, 1,128,519.12 and 473,627.17 is: 653,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,979.17 : 1,128,519.12 = 473,627.17 : x
  2. Step 2: Convert to fraction form
    817,979.17/1,128,519.12 = 473,627.17/x
  3. Step 3: Cross multiply
    817,979.17x = 1,128,519.12 × 473,627.17
  4. Step 4: Simplify right side
    817,979.17x = 534,497,317,096.49
  5. Step 5: Solve for x
    x = 534,497,317,096.49/817,979.17
  6. Step 6: Final answer
    x = 653,436.34

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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.