Home / 1,034,147.39-1,551,221.54-324,230.78

Finding the Fourth Proportional to 1,034,147.39, 1,551,221.54 and 324,230.78

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Solution

The fourth proportional to 1,034,147.39, 1,551,221.54 and 324,230.78 is: 486,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,147.39 : 1,551,221.54 = 324,230.78 : x
  2. Step 2: Convert to fraction form
    1,034,147.39/1,551,221.54 = 324,230.78/x
  3. Step 3: Cross multiply
    1,034,147.39x = 1,551,221.54 × 324,230.78
  4. Step 4: Simplify right side
    1,034,147.39x = 502,953,769,867.00
  5. Step 5: Solve for x
    x = 502,953,769,867.00/1,034,147.39
  6. Step 6: Final answer
    x = 486,346.31

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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.