Home / 769,857.92-1,154,392.56-410,233.70

Finding the Fourth Proportional to 769,857.92, 1,154,392.56 and 410,233.70

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Solution

The fourth proportional to 769,857.92, 1,154,392.56 and 410,233.70 is: 615,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,857.92 : 1,154,392.56 = 410,233.70 : x
  2. Step 2: Convert to fraction form
    769,857.92/1,154,392.56 = 410,233.70/x
  3. Step 3: Cross multiply
    769,857.92x = 1,154,392.56 × 410,233.70
  4. Step 4: Simplify right side
    769,857.92x = 473,570,731,141.27
  5. Step 5: Solve for x
    x = 473,570,731,141.27/769,857.92
  6. Step 6: Final answer
    x = 615,140.43

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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.