Home / 754,008.60-1,040,366.64-448,186.62

Finding the Fourth Proportional to 754,008.60, 1,040,366.64 and 448,186.62

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Solution

The fourth proportional to 754,008.60, 1,040,366.64 and 448,186.62 is: 618,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,008.60 : 1,040,366.64 = 448,186.62 : x
  2. Step 2: Convert to fraction form
    754,008.60/1,040,366.64 = 448,186.62/x
  3. Step 3: Cross multiply
    754,008.60x = 1,040,366.64 × 448,186.62
  4. Step 4: Simplify right side
    754,008.60x = 466,278,407,942.36
  5. Step 5: Solve for x
    x = 466,278,407,942.36/754,008.60
  6. Step 6: Final answer
    x = 618,399.32

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Double scale
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1.5x scale

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.