Home / 766,355.10-1,057,569.32-444,251.91

Finding the Fourth Proportional to 766,355.10, 1,057,569.32 and 444,251.91

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Solution

The fourth proportional to 766,355.10, 1,057,569.32 and 444,251.91 is: 613,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,355.10 : 1,057,569.32 = 444,251.91 : x
  2. Step 2: Convert to fraction form
    766,355.10/1,057,569.32 = 444,251.91/x
  3. Step 3: Cross multiply
    766,355.10x = 1,057,569.32 × 444,251.91
  4. Step 4: Simplify right side
    766,355.10x = 469,827,195,443.92
  5. Step 5: Solve for x
    x = 469,827,195,443.92/766,355.10
  6. Step 6: Final answer
    x = 613,067.23

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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.