Home / 925,040.52-1,387,539.18-426,404.52

Finding the Fourth Proportional to 925,040.52, 1,387,539.18 and 426,404.52

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Solution

The fourth proportional to 925,040.52, 1,387,539.18 and 426,404.52 is: 639,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,040.52 : 1,387,539.18 = 426,404.52 : x
  2. Step 2: Convert to fraction form
    925,040.52/1,387,539.18 = 426,404.52/x
  3. Step 3: Cross multiply
    925,040.52x = 1,387,539.18 × 426,404.52
  4. Step 4: Simplify right side
    925,040.52x = 591,652,978,029.09
  5. Step 5: Solve for x
    x = 591,652,978,029.09/925,040.52
  6. Step 6: Final answer
    x = 639,596.82

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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.