Home / 702,789.54-1,053,080.42-543,256.38

Finding the Fourth Proportional to 702,789.54, 1,053,080.42 and 543,256.38

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Solution

The fourth proportional to 702,789.54, 1,053,080.42 and 543,256.38 is: 814,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,789.54 : 1,053,080.42 = 543,256.38 : x
  2. Step 2: Convert to fraction form
    702,789.54/1,053,080.42 = 543,256.38/x
  3. Step 3: Cross multiply
    702,789.54x = 1,053,080.42 × 543,256.38
  4. Step 4: Simplify right side
    702,789.54x = 572,092,656,818.08
  5. Step 5: Solve for x
    x = 572,092,656,818.08/702,789.54
  6. Step 6: Final answer
    x = 814,031.26

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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.