Home / 749,066.40-1,123,599.60-327,895.20

Finding the Fourth Proportional to 749,066.40, 1,123,599.60 and 327,895.20

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Solution

The fourth proportional to 749,066.40, 1,123,599.60 and 327,895.20 is: 491,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,066.40 : 1,123,599.60 = 327,895.20 : x
  2. Step 2: Convert to fraction form
    749,066.40/1,123,599.60 = 327,895.20/x
  3. Step 3: Cross multiply
    749,066.40x = 1,123,599.60 × 327,895.20
  4. Step 4: Simplify right side
    749,066.40x = 368,422,915,561.92
  5. Step 5: Solve for x
    x = 368,422,915,561.92/749,066.40
  6. Step 6: Final answer
    x = 491,842.80

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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.