Home / 754,011.71-1,040,543.55-409,847.43

Finding the Fourth Proportional to 754,011.71, 1,040,543.55 and 409,847.43

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Solution

The fourth proportional to 754,011.71, 1,040,543.55 and 409,847.43 is: 565,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,011.71 : 1,040,543.55 = 409,847.43 : x
  2. Step 2: Convert to fraction form
    754,011.71/1,040,543.55 = 409,847.43/x
  3. Step 3: Cross multiply
    754,011.71x = 1,040,543.55 × 409,847.43
  4. Step 4: Simplify right side
    754,011.71x = 426,464,099,770.58
  5. Step 5: Solve for x
    x = 426,464,099,770.58/754,011.71
  6. Step 6: Final answer
    x = 565,593.47

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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.