Home / 766,414.13-1,057,600.44-444,066.72

Finding the Fourth Proportional to 766,414.13, 1,057,600.44 and 444,066.72

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Solution

The fourth proportional to 766,414.13, 1,057,600.44 and 444,066.72 is: 612,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,414.13 : 1,057,600.44 = 444,066.72 : x
  2. Step 2: Convert to fraction form
    766,414.13/1,057,600.44 = 444,066.72/x
  3. Step 3: Cross multiply
    766,414.13x = 1,057,600.44 × 444,066.72
  4. Step 4: Simplify right side
    766,414.13x = 469,645,158,461.36
  5. Step 5: Solve for x
    x = 469,645,158,461.36/766,414.13
  6. Step 6: Final answer
    x = 612,782.49

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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.