Home / 746,248.56-1,119,043.44-213,648.72

Finding the Fourth Proportional to 746,248.56, 1,119,043.44 and 213,648.72

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Solution

The fourth proportional to 746,248.56, 1,119,043.44 and 213,648.72 is: 320,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,248.56 : 1,119,043.44 = 213,648.72 : x
  2. Step 2: Convert to fraction form
    746,248.56/1,119,043.44 = 213,648.72/x
  3. Step 3: Cross multiply
    746,248.56x = 1,119,043.44 × 213,648.72
  4. Step 4: Simplify right side
    746,248.56x = 239,082,198,580.40
  5. Step 5: Solve for x
    x = 239,082,198,580.40/746,248.56
  6. Step 6: Final answer
    x = 320,378.77

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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.