Home / 476,620.38-714,930.06-121,634.40

Finding the Fourth Proportional to 476,620.38, 714,930.06 and 121,634.40

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Solution

The fourth proportional to 476,620.38, 714,930.06 and 121,634.40 is: 182,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,620.38 : 714,930.06 = 121,634.40 : x
  2. Step 2: Convert to fraction form
    476,620.38/714,930.06 = 121,634.40/x
  3. Step 3: Cross multiply
    476,620.38x = 714,930.06 × 121,634.40
  4. Step 4: Simplify right side
    476,620.38x = 86,960,088,890.06
  5. Step 5: Solve for x
    x = 86,960,088,890.06/476,620.38
  6. Step 6: Final answer
    x = 182,451.47

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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.