Home / 605,257.80-908,081.10-268,168.20

Finding the Fourth Proportional to 605,257.80, 908,081.10 and 268,168.20

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Solution

The fourth proportional to 605,257.80, 908,081.10 and 268,168.20 is: 402,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,257.80 : 908,081.10 = 268,168.20 : x
  2. Step 2: Convert to fraction form
    605,257.80/908,081.10 = 268,168.20/x
  3. Step 3: Cross multiply
    605,257.80x = 908,081.10 × 268,168.20
  4. Step 4: Simplify right side
    605,257.80x = 243,518,474,041.02
  5. Step 5: Solve for x
    x = 243,518,474,041.02/605,257.80
  6. Step 6: Final answer
    x = 402,338.43

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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.