Home / 527,238.22-727,589.44-285,521.18

Finding the Fourth Proportional to 527,238.22, 727,589.44 and 285,521.18

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Solution

The fourth proportional to 527,238.22, 727,589.44 and 285,521.18 is: 394,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,238.22 : 727,589.44 = 285,521.18 : x
  2. Step 2: Convert to fraction form
    527,238.22/727,589.44 = 285,521.18/x
  3. Step 3: Cross multiply
    527,238.22x = 727,589.44 × 285,521.18
  4. Step 4: Simplify right side
    527,238.22x = 207,742,195,464.34
  5. Step 5: Solve for x
    x = 207,742,195,464.34/527,238.22
  6. Step 6: Final answer
    x = 394,019.61

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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.