Home / 1,331,126.10-1,995,328.35-656,169.30

Finding the Fourth Proportional to 1,331,126.10, 1,995,328.35 and 656,169.30

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Solution

The fourth proportional to 1,331,126.10, 1,995,328.35 and 656,169.30 is: 983,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,126.10 : 1,995,328.35 = 656,169.30 : x
  2. Step 2: Convert to fraction form
    1,331,126.10/1,995,328.35 = 656,169.30/x
  3. Step 3: Cross multiply
    1,331,126.10x = 1,995,328.35 × 656,169.30
  4. Step 4: Simplify right side
    1,331,126.10x = 1,309,273,206,689.66
  5. Step 5: Solve for x
    x = 1,309,273,206,689.66/1,331,126.10
  6. Step 6: Final answer
    x = 983,583.15

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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.