Home / 476,631.84-714,947.11-121,645.85

Finding the Fourth Proportional to 476,631.84, 714,947.11 and 121,645.85

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Solution

The fourth proportional to 476,631.84, 714,947.11 and 121,645.85 is: 182,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,631.84 : 714,947.11 = 121,645.85 : x
  2. Step 2: Convert to fraction form
    476,631.84/714,947.11 = 121,645.85/x
  3. Step 3: Cross multiply
    476,631.84x = 714,947.11 × 121,645.85
  4. Step 4: Simplify right side
    476,631.84x = 86,970,349,043.72
  5. Step 5: Solve for x
    x = 86,970,349,043.72/476,631.84
  6. Step 6: Final answer
    x = 182,468.61

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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.