Home / 526,422.41-725,803.83-439,332.42

Finding the Fourth Proportional to 526,422.41, 725,803.83 and 439,332.42

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Solution

The fourth proportional to 526,422.41, 725,803.83 and 439,332.42 is: 605,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,422.41 : 725,803.83 = 439,332.42 : x
  2. Step 2: Convert to fraction form
    526,422.41/725,803.83 = 439,332.42/x
  3. Step 3: Cross multiply
    526,422.41x = 725,803.83 × 439,332.42
  4. Step 4: Simplify right side
    526,422.41x = 318,869,153,079.17
  5. Step 5: Solve for x
    x = 318,869,153,079.17/526,422.41
  6. Step 6: Final answer
    x = 605,728.69

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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.