Home / 483,279.05-666,906.64-268,432.90

Finding the Fourth Proportional to 483,279.05, 666,906.64 and 268,432.90

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Solution

The fourth proportional to 483,279.05, 666,906.64 and 268,432.90 is: 370,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,279.05 : 666,906.64 = 268,432.90 : x
  2. Step 2: Convert to fraction form
    483,279.05/666,906.64 = 268,432.90/x
  3. Step 3: Cross multiply
    483,279.05x = 666,906.64 × 268,432.90
  4. Step 4: Simplify right side
    483,279.05x = 179,019,681,066.11
  5. Step 5: Solve for x
    x = 179,019,681,066.11/483,279.05
  6. Step 6: Final answer
    x = 370,427.15

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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.