Home / 351,403.20-484,454.40-222,277.44

Finding the Fourth Proportional to 351,403.20, 484,454.40 and 222,277.44

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Solution

The fourth proportional to 351,403.20, 484,454.40 and 222,277.44 is: 306,437.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,403.20 : 484,454.40 = 222,277.44 : x
  2. Step 2: Convert to fraction form
    351,403.20/484,454.40 = 222,277.44/x
  3. Step 3: Cross multiply
    351,403.20x = 484,454.40 × 222,277.44
  4. Step 4: Simplify right side
    351,403.20x = 107,683,283,828.74
  5. Step 5: Solve for x
    x = 107,683,283,828.74/351,403.20
  6. Step 6: Final answer
    x = 306,437.97

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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.