Home / 1,027,889.19-1,542,359.07-686,565.32

Finding the Fourth Proportional to 1,027,889.19, 1,542,359.07 and 686,565.32

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Solution

The fourth proportional to 1,027,889.19, 1,542,359.07 and 686,565.32 is: 1,030,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,889.19 : 1,542,359.07 = 686,565.32 : x
  2. Step 2: Convert to fraction form
    1,027,889.19/1,542,359.07 = 686,565.32/x
  3. Step 3: Cross multiply
    1,027,889.19x = 1,542,359.07 × 686,565.32
  4. Step 4: Simplify right side
    1,027,889.19x = 1,058,930,240,737.66
  5. Step 5: Solve for x
    x = 1,058,930,240,737.66/1,027,889.19
  6. Step 6: Final answer
    x = 1,030,198.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.