Home / 1,299,176.64-1,791,974.17-847,080

Finding the Fourth Proportional to 1,299,176.64, 1,791,974.17 and 847,080

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Solution

The fourth proportional to 1,299,176.64, 1,791,974.17 and 847,080 is: 1,168,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,176.64 : 1,791,974.17 = 847,080 : x
  2. Step 2: Convert to fraction form
    1,299,176.64/1,791,974.17 = 847,080/x
  3. Step 3: Cross multiply
    1,299,176.64x = 1,791,974.17 × 847,080
  4. Step 4: Simplify right side
    1,299,176.64x = 1,517,945,479,923.60
  5. Step 5: Solve for x
    x = 1,517,945,479,923.60/1,299,176.64
  6. Step 6: Final answer
    x = 1,168,390.37

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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.