Home / 526,965.38-727,310.74-300,610.88

Finding the Fourth Proportional to 526,965.38, 727,310.74 and 300,610.88

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Solution

The fourth proportional to 526,965.38, 727,310.74 and 300,610.88 is: 414,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,965.38 : 727,310.74 = 300,610.88 : x
  2. Step 2: Convert to fraction form
    526,965.38/727,310.74 = 300,610.88/x
  3. Step 3: Cross multiply
    526,965.38x = 727,310.74 × 300,610.88
  4. Step 4: Simplify right side
    526,965.38x = 218,637,517,196.77
  5. Step 5: Solve for x
    x = 218,637,517,196.77/526,965.38
  6. Step 6: Final answer
    x = 414,899.21

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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.