Home / 438,566.88-605,236.96-268,768.20

Finding the Fourth Proportional to 438,566.88, 605,236.96 and 268,768.20

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Solution

The fourth proportional to 438,566.88, 605,236.96 and 268,768.20 is: 370,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,566.88 : 605,236.96 = 268,768.20 : x
  2. Step 2: Convert to fraction form
    438,566.88/605,236.96 = 268,768.20/x
  3. Step 3: Cross multiply
    438,566.88x = 605,236.96 × 268,768.20
  4. Step 4: Simplify right side
    438,566.88x = 162,668,444,614.57
  5. Step 5: Solve for x
    x = 162,668,444,614.57/438,566.88
  6. Step 6: Final answer
    x = 370,909.10

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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.