Home / 1,299,176.52-1,791,974.00-847,079.88

Finding the Fourth Proportional to 1,299,176.52, 1,791,974.00 and 847,079.88

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Solution

The fourth proportional to 1,299,176.52, 1,791,974.00 and 847,079.88 is: 1,168,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,176.52 : 1,791,974.00 = 847,079.88 : x
  2. Step 2: Convert to fraction form
    1,299,176.52/1,791,974.00 = 847,079.88/x
  3. Step 3: Cross multiply
    1,299,176.52x = 1,791,974.00 × 847,079.88
  4. Step 4: Simplify right side
    1,299,176.52x = 1,517,945,109,805.55
  5. Step 5: Solve for x
    x = 1,517,945,109,805.55/1,299,176.52
  6. Step 6: Final answer
    x = 1,168,390.20

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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.