Home / 881,346.48-1,322,019.72-216,498.48

Finding the Fourth Proportional to 881,346.48, 1,322,019.72 and 216,498.48

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Solution

The fourth proportional to 881,346.48, 1,322,019.72 and 216,498.48 is: 324,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,346.48 : 1,322,019.72 = 216,498.48 : x
  2. Step 2: Convert to fraction form
    881,346.48/1,322,019.72 = 216,498.48/x
  3. Step 3: Cross multiply
    881,346.48x = 1,322,019.72 × 216,498.48
  4. Step 4: Simplify right side
    881,346.48x = 286,215,259,910.03
  5. Step 5: Solve for x
    x = 286,215,259,910.03/881,346.48
  6. Step 6: Final answer
    x = 324,747.72

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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.