Home / 1,087,757.88-1,500,622.92-724,827.66

Finding the Fourth Proportional to 1,087,757.88, 1,500,622.92 and 724,827.66

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Solution

The fourth proportional to 1,087,757.88, 1,500,622.92 and 724,827.66 is: 999,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,757.88 : 1,500,622.92 = 724,827.66 : x
  2. Step 2: Convert to fraction form
    1,087,757.88/1,500,622.92 = 724,827.66/x
  3. Step 3: Cross multiply
    1,087,757.88x = 1,500,622.92 × 724,827.66
  4. Step 4: Simplify right side
    1,087,757.88x = 1,087,692,999,645.97
  5. Step 5: Solve for x
    x = 1,087,692,999,645.97/1,087,757.88
  6. Step 6: Final answer
    x = 999,940.35

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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.