Home / 702,789.52-1,053,080.44-543,256.37

Finding the Fourth Proportional to 702,789.52, 1,053,080.44 and 543,256.37

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Solution

The fourth proportional to 702,789.52, 1,053,080.44 and 543,256.37 is: 814,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,789.52 : 1,053,080.44 = 543,256.37 : x
  2. Step 2: Convert to fraction form
    702,789.52/1,053,080.44 = 543,256.37/x
  3. Step 3: Cross multiply
    702,789.52x = 1,053,080.44 × 543,256.37
  4. Step 4: Simplify right side
    702,789.52x = 572,092,657,152.40
  5. Step 5: Solve for x
    x = 572,092,657,152.40/702,789.52
  6. Step 6: Final answer
    x = 814,031.29

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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.