Home / 876,376.73-1,314,565.10-211,528.73

Finding the Fourth Proportional to 876,376.73, 1,314,565.10 and 211,528.73

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Solution

The fourth proportional to 876,376.73, 1,314,565.10 and 211,528.73 is: 317,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,376.73 : 1,314,565.10 = 211,528.73 : x
  2. Step 2: Convert to fraction form
    876,376.73/1,314,565.10 = 211,528.73/x
  3. Step 3: Cross multiply
    876,376.73x = 1,314,565.10 × 211,528.73
  4. Step 4: Simplify right side
    876,376.73x = 278,068,286,105.32
  5. Step 5: Solve for x
    x = 278,068,286,105.32/876,376.73
  6. Step 6: Final answer
    x = 317,293.10

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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.