Home / 875,645.40-1,313,468.10-244,558.20

Finding the Fourth Proportional to 875,645.40, 1,313,468.10 and 244,558.20

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Solution

The fourth proportional to 875,645.40, 1,313,468.10 and 244,558.20 is: 366,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,645.40 : 1,313,468.10 = 244,558.20 : x
  2. Step 2: Convert to fraction form
    875,645.40/1,313,468.10 = 244,558.20/x
  3. Step 3: Cross multiply
    875,645.40x = 1,313,468.10 × 244,558.20
  4. Step 4: Simplify right side
    875,645.40x = 321,219,394,293.42
  5. Step 5: Solve for x
    x = 321,219,394,293.42/875,645.40
  6. Step 6: Final answer
    x = 366,837.30

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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.