Home / 766,358.10-1,057,573.46-444,254.91

Finding the Fourth Proportional to 766,358.10, 1,057,573.46 and 444,254.91

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Solution

The fourth proportional to 766,358.10, 1,057,573.46 and 444,254.91 is: 613,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,358.10 : 1,057,573.46 = 444,254.91 : x
  2. Step 2: Convert to fraction form
    766,358.10/1,057,573.46 = 444,254.91/x
  3. Step 3: Cross multiply
    766,358.10x = 1,057,573.46 × 444,254.91
  4. Step 4: Simplify right side
    766,358.10x = 469,832,202,290.69
  5. Step 5: Solve for x
    x = 469,832,202,290.69/766,358.10
  6. Step 6: Final answer
    x = 613,071.36

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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.