Home / 1,266,510.60-1,747,732.14-693,540.90

Finding the Fourth Proportional to 1,266,510.60, 1,747,732.14 and 693,540.90

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Solution

The fourth proportional to 1,266,510.60, 1,747,732.14 and 693,540.90 is: 957,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,510.60 : 1,747,732.14 = 693,540.90 : x
  2. Step 2: Convert to fraction form
    1,266,510.60/1,747,732.14 = 693,540.90/x
  3. Step 3: Cross multiply
    1,266,510.60x = 1,747,732.14 × 693,540.90
  4. Step 4: Simplify right side
    1,266,510.60x = 1,212,123,721,334.53
  5. Step 5: Solve for x
    x = 1,212,123,721,334.53/1,266,510.60
  6. Step 6: Final answer
    x = 957,057.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.