Home / 747,654.67-1,115,760.46-667,872.91

Finding the Fourth Proportional to 747,654.67, 1,115,760.46 and 667,872.91

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Solution

The fourth proportional to 747,654.67, 1,115,760.46 and 667,872.91 is: 996,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,654.67 : 1,115,760.46 = 667,872.91 : x
  2. Step 2: Convert to fraction form
    747,654.67/1,115,760.46 = 667,872.91/x
  3. Step 3: Cross multiply
    747,654.67x = 1,115,760.46 × 667,872.91
  4. Step 4: Simplify right side
    747,654.67x = 745,186,185,283.14
  5. Step 5: Solve for x
    x = 745,186,185,283.14/747,654.67
  6. Step 6: Final answer
    x = 996,698.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.