Home / 516,585.98-774,911.78-137,500.52

Finding the Fourth Proportional to 516,585.98, 774,911.78 and 137,500.52

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Solution

The fourth proportional to 516,585.98, 774,911.78 and 137,500.52 is: 206,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,585.98 : 774,911.78 = 137,500.52 : x
  2. Step 2: Convert to fraction form
    516,585.98/774,911.78 = 137,500.52/x
  3. Step 3: Cross multiply
    516,585.98x = 774,911.78 × 137,500.52
  4. Step 4: Simplify right side
    516,585.98x = 106,550,772,704.13
  5. Step 5: Solve for x
    x = 106,550,772,704.13/516,585.98
  6. Step 6: Final answer
    x = 206,259.51

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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.