Home / 1,013,680.19-1,520,360.33-474,310.64

Finding the Fourth Proportional to 1,013,680.19, 1,520,360.33 and 474,310.64

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Solution

The fourth proportional to 1,013,680.19, 1,520,360.33 and 474,310.64 is: 711,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,680.19 : 1,520,360.33 = 474,310.64 : x
  2. Step 2: Convert to fraction form
    1,013,680.19/1,520,360.33 = 474,310.64/x
  3. Step 3: Cross multiply
    1,013,680.19x = 1,520,360.33 × 474,310.64
  4. Step 4: Simplify right side
    1,013,680.19x = 721,123,074,736.89
  5. Step 5: Solve for x
    x = 721,123,074,736.89/1,013,680.19
  6. Step 6: Final answer
    x = 711,391.11

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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.