Home / 1,414,568.74-1,952,156.55-769,957.78

Finding the Fourth Proportional to 1,414,568.74, 1,952,156.55 and 769,957.78

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Solution

The fourth proportional to 1,414,568.74, 1,952,156.55 and 769,957.78 is: 1,062,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,568.74 : 1,952,156.55 = 769,957.78 : x
  2. Step 2: Convert to fraction form
    1,414,568.74/1,952,156.55 = 769,957.78/x
  3. Step 3: Cross multiply
    1,414,568.74x = 1,952,156.55 × 769,957.78
  4. Step 4: Simplify right side
    1,414,568.74x = 1,503,078,121,457.41
  5. Step 5: Solve for x
    x = 1,503,078,121,457.41/1,414,568.74
  6. Step 6: Final answer
    x = 1,062,569.87

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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.