Home / 754,331.60-1,040,950.64-414,796.88

Finding the Fourth Proportional to 754,331.60, 1,040,950.64 and 414,796.88

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Solution

The fourth proportional to 754,331.60, 1,040,950.64 and 414,796.88 is: 572,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,331.60 : 1,040,950.64 = 414,796.88 : x
  2. Step 2: Convert to fraction form
    754,331.60/1,040,950.64 = 414,796.88/x
  3. Step 3: Cross multiply
    754,331.60x = 1,040,950.64 × 414,796.88
  4. Step 4: Simplify right side
    754,331.60x = 431,783,077,706.00
  5. Step 5: Solve for x
    x = 431,783,077,706.00/754,331.60
  6. Step 6: Final answer
    x = 572,404.87

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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.