Home / 1,058,681.92-1,587,129.92-459,191.52

Finding the Fourth Proportional to 1,058,681.92, 1,587,129.92 and 459,191.52

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Solution

The fourth proportional to 1,058,681.92, 1,587,129.92 and 459,191.52 is: 688,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,681.92 : 1,587,129.92 = 459,191.52 : x
  2. Step 2: Convert to fraction form
    1,058,681.92/1,587,129.92 = 459,191.52/x
  3. Step 3: Cross multiply
    1,058,681.92x = 1,587,129.92 × 459,191.52
  4. Step 4: Simplify right side
    1,058,681.92x = 728,796,600,402.28
  5. Step 5: Solve for x
    x = 728,796,600,402.28/1,058,681.92
  6. Step 6: Final answer
    x = 688,399.97

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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.