Home / 702,787.52-1,053,077.45-543,254.37

Finding the Fourth Proportional to 702,787.52, 1,053,077.45 and 543,254.37

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Solution

The fourth proportional to 702,787.52, 1,053,077.45 and 543,254.37 is: 814,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,787.52 : 1,053,077.45 = 543,254.37 : x
  2. Step 2: Convert to fraction form
    702,787.52/1,053,077.45 = 543,254.37/x
  3. Step 3: Cross multiply
    702,787.52x = 1,053,077.45 × 543,254.37
  4. Step 4: Simplify right side
    702,787.52x = 572,088,923,944.69
  5. Step 5: Solve for x
    x = 572,088,923,944.69/702,787.52
  6. Step 6: Final answer
    x = 814,028.30

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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.