Home / 766,033-1,057,132.83-426,508.54

Finding the Fourth Proportional to 766,033, 1,057,132.83 and 426,508.54

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Solution

The fourth proportional to 766,033, 1,057,132.83 and 426,508.54 is: 588,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,033 : 1,057,132.83 = 426,508.54 : x
  2. Step 2: Convert to fraction form
    766,033/1,057,132.83 = 426,508.54/x
  3. Step 3: Cross multiply
    766,033x = 1,057,132.83 × 426,508.54
  4. Step 4: Simplify right side
    766,033x = 450,876,179,909.37
  5. Step 5: Solve for x
    x = 450,876,179,909.37/766,033
  6. Step 6: Final answer
    x = 588,585.84

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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.