Home / 403,399.80-556,671.04-222,076.76

Finding the Fourth Proportional to 403,399.80, 556,671.04 and 222,076.76

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Solution

The fourth proportional to 403,399.80, 556,671.04 and 222,076.76 is: 306,454.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,399.80 : 556,671.04 = 222,076.76 : x
  2. Step 2: Convert to fraction form
    403,399.80/556,671.04 = 222,076.76/x
  3. Step 3: Cross multiply
    403,399.80x = 556,671.04 × 222,076.76
  4. Step 4: Simplify right side
    403,399.80x = 123,623,700,949.03
  5. Step 5: Solve for x
    x = 123,623,700,949.03/403,399.80
  6. Step 6: Final answer
    x = 306,454.54

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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.