Home / 579,523.91-869,276.57-158,799.78

Finding the Fourth Proportional to 579,523.91, 869,276.57 and 158,799.78

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Solution

The fourth proportional to 579,523.91, 869,276.57 and 158,799.78 is: 238,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,523.91 : 869,276.57 = 158,799.78 : x
  2. Step 2: Convert to fraction form
    579,523.91/869,276.57 = 158,799.78/x
  3. Step 3: Cross multiply
    579,523.91x = 869,276.57 × 158,799.78
  4. Step 4: Simplify right side
    579,523.91x = 138,040,927,281.16
  5. Step 5: Solve for x
    x = 138,040,927,281.16/579,523.91
  6. Step 6: Final answer
    x = 238,197.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.