Home / 803,225.52-1,109,201.31-517,248.54

Finding the Fourth Proportional to 803,225.52, 1,109,201.31 and 517,248.54

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Solution

The fourth proportional to 803,225.52, 1,109,201.31 and 517,248.54 is: 714,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,225.52 : 1,109,201.31 = 517,248.54 : x
  2. Step 2: Convert to fraction form
    803,225.52/1,109,201.31 = 517,248.54/x
  3. Step 3: Cross multiply
    803,225.52x = 1,109,201.31 × 517,248.54
  4. Step 4: Simplify right side
    803,225.52x = 573,732,758,163.59
  5. Step 5: Solve for x
    x = 573,732,758,163.59/803,225.52
  6. Step 6: Final answer
    x = 714,286.02

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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.