Home / 526,149.24-725,913.76-321,987.24

Finding the Fourth Proportional to 526,149.24, 725,913.76 and 321,987.24

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Solution

The fourth proportional to 526,149.24, 725,913.76 and 321,987.24 is: 444,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,149.24 : 725,913.76 = 321,987.24 : x
  2. Step 2: Convert to fraction form
    526,149.24/725,913.76 = 321,987.24/x
  3. Step 3: Cross multiply
    526,149.24x = 725,913.76 × 321,987.24
  4. Step 4: Simplify right side
    526,149.24x = 233,734,968,060.42
  5. Step 5: Solve for x
    x = 233,734,968,060.42/526,149.24
  6. Step 6: Final answer
    x = 444,237.02

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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.