Home / 474,904.80-712,357.20-159,285.60

Finding the Fourth Proportional to 474,904.80, 712,357.20 and 159,285.60

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Solution

The fourth proportional to 474,904.80, 712,357.20 and 159,285.60 is: 238,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,904.80 : 712,357.20 = 159,285.60 : x
  2. Step 2: Convert to fraction form
    474,904.80/712,357.20 = 159,285.60/x
  3. Step 3: Cross multiply
    474,904.80x = 712,357.20 × 159,285.60
  4. Step 4: Simplify right side
    474,904.80x = 113,468,244,016.32
  5. Step 5: Solve for x
    x = 113,468,244,016.32/474,904.80
  6. Step 6: Final answer
    x = 238,928.40

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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.