Home / 917,176.46-1,375,296.25-538,836.26

Finding the Fourth Proportional to 917,176.46, 1,375,296.25 and 538,836.26

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Solution

The fourth proportional to 917,176.46, 1,375,296.25 and 538,836.26 is: 807,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,176.46 : 1,375,296.25 = 538,836.26 : x
  2. Step 2: Convert to fraction form
    917,176.46/1,375,296.25 = 538,836.26/x
  3. Step 3: Cross multiply
    917,176.46x = 1,375,296.25 × 538,836.26
  4. Step 4: Simplify right side
    917,176.46x = 741,059,487,742.03
  5. Step 5: Solve for x
    x = 741,059,487,742.03/917,176.46
  6. Step 6: Final answer
    x = 807,979.18

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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.