Home / 474,427.20-711,641.52-119,441.28

Finding the Fourth Proportional to 474,427.20, 711,641.52 and 119,441.28

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Solution

The fourth proportional to 474,427.20, 711,641.52 and 119,441.28 is: 179,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,427.20 : 711,641.52 = 119,441.28 : x
  2. Step 2: Convert to fraction form
    474,427.20/711,641.52 = 119,441.28/x
  3. Step 3: Cross multiply
    474,427.20x = 711,641.52 × 119,441.28
  4. Step 4: Simplify right side
    474,427.20x = 84,999,374,049.95
  5. Step 5: Solve for x
    x = 84,999,374,049.95/474,427.20
  6. Step 6: Final answer
    x = 179,162.10

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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.