Home / 769,843.92-1,154,371.56-410,219.70

Finding the Fourth Proportional to 769,843.92, 1,154,371.56 and 410,219.70

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Solution

The fourth proportional to 769,843.92, 1,154,371.56 and 410,219.70 is: 615,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,843.92 : 1,154,371.56 = 410,219.70 : x
  2. Step 2: Convert to fraction form
    769,843.92/1,154,371.56 = 410,219.70/x
  3. Step 3: Cross multiply
    769,843.92x = 1,154,371.56 × 410,219.70
  4. Step 4: Simplify right side
    769,843.92x = 473,545,955,031.73
  5. Step 5: Solve for x
    x = 473,545,955,031.73/769,843.92
  6. Step 6: Final answer
    x = 615,119.43

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1.5x scale

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.