Home / 739,471.17-1,109,329.32-259,574.46

Finding the Fourth Proportional to 739,471.17, 1,109,329.32 and 259,574.46

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Solution

The fourth proportional to 739,471.17, 1,109,329.32 and 259,574.46 is: 389,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,471.17 : 1,109,329.32 = 259,574.46 : x
  2. Step 2: Convert to fraction form
    739,471.17/1,109,329.32 = 259,574.46/x
  3. Step 3: Cross multiply
    739,471.17x = 1,109,329.32 × 259,574.46
  4. Step 4: Simplify right side
    739,471.17x = 287,953,560,694.57
  5. Step 5: Solve for x
    x = 287,953,560,694.57/739,471.17
  6. Step 6: Final answer
    x = 389,404.71

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Double scale
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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.