Home / 516,638.04-774,989.88-137,552.64

Finding the Fourth Proportional to 516,638.04, 774,989.88 and 137,552.64

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Solution

The fourth proportional to 516,638.04, 774,989.88 and 137,552.64 is: 206,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,638.04 : 774,989.88 = 137,552.64 : x
  2. Step 2: Convert to fraction form
    516,638.04/774,989.88 = 137,552.64/x
  3. Step 3: Cross multiply
    516,638.04x = 774,989.88 × 137,552.64
  4. Step 4: Simplify right side
    516,638.04x = 106,601,903,967.28
  5. Step 5: Solve for x
    x = 106,601,903,967.28/516,638.04
  6. Step 6: Final answer
    x = 206,337.70

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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.