Home / 754,339.46-1,040,989.70-410,175.07

Finding the Fourth Proportional to 754,339.46, 1,040,989.70 and 410,175.07

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Solution

The fourth proportional to 754,339.46, 1,040,989.70 and 410,175.07 is: 566,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,339.46 : 1,040,989.70 = 410,175.07 : x
  2. Step 2: Convert to fraction form
    754,339.46/1,040,989.70 = 410,175.07/x
  3. Step 3: Cross multiply
    754,339.46x = 1,040,989.70 × 410,175.07
  4. Step 4: Simplify right side
    754,339.46x = 426,988,023,066.78
  5. Step 5: Solve for x
    x = 426,988,023,066.78/754,339.46
  6. Step 6: Final answer
    x = 566,042.27

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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.