Home / 746,964.90-1,120,301.55-248,328.90

Finding the Fourth Proportional to 746,964.90, 1,120,301.55 and 248,328.90

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Solution

The fourth proportional to 746,964.90, 1,120,301.55 and 248,328.90 is: 372,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,964.90 : 1,120,301.55 = 248,328.90 : x
  2. Step 2: Convert to fraction form
    746,964.90/1,120,301.55 = 248,328.90/x
  3. Step 3: Cross multiply
    746,964.90x = 1,120,301.55 × 248,328.90
  4. Step 4: Simplify right side
    746,964.90x = 278,203,251,579.80
  5. Step 5: Solve for x
    x = 278,203,251,579.80/746,964.90
  6. Step 6: Final answer
    x = 372,444.88

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Half scale
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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.