Home / 520,244.25-717,937.07-281,780.25

Finding the Fourth Proportional to 520,244.25, 717,937.07 and 281,780.25

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Solution

The fourth proportional to 520,244.25, 717,937.07 and 281,780.25 is: 388,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,244.25 : 717,937.07 = 281,780.25 : x
  2. Step 2: Convert to fraction form
    520,244.25/717,937.07 = 281,780.25/x
  3. Step 3: Cross multiply
    520,244.25x = 717,937.07 × 281,780.25
  4. Step 4: Simplify right side
    520,244.25x = 202,300,485,659.97
  5. Step 5: Solve for x
    x = 202,300,485,659.97/520,244.25
  6. Step 6: Final answer
    x = 388,856.75

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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.