Home / 526,584.52-726,685.06-284,867.03

Finding the Fourth Proportional to 526,584.52, 726,685.06 and 284,867.03

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Solution

The fourth proportional to 526,584.52, 726,685.06 and 284,867.03 is: 393,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,584.52 : 726,685.06 = 284,867.03 : x
  2. Step 2: Convert to fraction form
    526,584.52/726,685.06 = 284,867.03/x
  3. Step 3: Cross multiply
    526,584.52x = 726,685.06 × 284,867.03
  4. Step 4: Simplify right side
    526,584.52x = 207,008,609,729.81
  5. Step 5: Solve for x
    x = 207,008,609,729.81/526,584.52
  6. Step 6: Final answer
    x = 393,115.64

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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.