Home / 1,127,022.31-1,555,287.56-617,723.11

Finding the Fourth Proportional to 1,127,022.31, 1,555,287.56 and 617,723.11

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Solution

The fourth proportional to 1,127,022.31, 1,555,287.56 and 617,723.11 is: 852,456.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,022.31 : 1,555,287.56 = 617,723.11 : x
  2. Step 2: Convert to fraction form
    1,127,022.31/1,555,287.56 = 617,723.11/x
  3. Step 3: Cross multiply
    1,127,022.31x = 1,555,287.56 × 617,723.11
  4. Step 4: Simplify right side
    1,127,022.31x = 960,737,063,847.14
  5. Step 5: Solve for x
    x = 960,737,063,847.14/1,127,022.31
  6. Step 6: Final answer
    x = 852,456.12

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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.