Home / 754,246.32-1,131,368.96-221,771.76

Finding the Fourth Proportional to 754,246.32, 1,131,368.96 and 221,771.76

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Solution

The fourth proportional to 754,246.32, 1,131,368.96 and 221,771.76 is: 332,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,246.32 : 1,131,368.96 = 221,771.76 : x
  2. Step 2: Convert to fraction form
    754,246.32/1,131,368.96 = 221,771.76/x
  3. Step 3: Cross multiply
    754,246.32x = 1,131,368.96 × 221,771.76
  4. Step 4: Simplify right side
    754,246.32x = 250,905,685,468.57
  5. Step 5: Solve for x
    x = 250,905,685,468.57/754,246.32
  6. Step 6: Final answer
    x = 332,657.49

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Double scale
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Similar ratio
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1.5x scale

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.