Home / 716,073.92-1,074,110.82-340,959.68

Finding the Fourth Proportional to 716,073.92, 1,074,110.82 and 340,959.68

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Solution

The fourth proportional to 716,073.92, 1,074,110.82 and 340,959.68 is: 511,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,073.92 : 1,074,110.82 = 340,959.68 : x
  2. Step 2: Convert to fraction form
    716,073.92/1,074,110.82 = 340,959.68/x
  3. Step 3: Cross multiply
    716,073.92x = 1,074,110.82 × 340,959.68
  4. Step 4: Simplify right side
    716,073.92x = 366,228,481,471.74
  5. Step 5: Solve for x
    x = 366,228,481,471.74/716,073.92
  6. Step 6: Final answer
    x = 511,439.49

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Double scale
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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.