Home / 516,583.98-774,908.78-137,498.51

Finding the Fourth Proportional to 516,583.98, 774,908.78 and 137,498.51

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Solution

The fourth proportional to 516,583.98, 774,908.78 and 137,498.51 is: 206,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,583.98 : 774,908.78 = 137,498.51 : x
  2. Step 2: Convert to fraction form
    516,583.98/774,908.78 = 137,498.51/x
  3. Step 3: Cross multiply
    516,583.98x = 774,908.78 × 137,498.51
  4. Step 4: Simplify right side
    516,583.98x = 106,548,803,885.70
  5. Step 5: Solve for x
    x = 106,548,803,885.70/516,583.98
  6. Step 6: Final answer
    x = 206,256.50

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Similar ratio
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1.5x scale

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.