Home / 879,958.60-1,319,937.90-215,110.60

Finding the Fourth Proportional to 879,958.60, 1,319,937.90 and 215,110.60

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Solution

The fourth proportional to 879,958.60, 1,319,937.90 and 215,110.60 is: 322,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,958.60 : 1,319,937.90 = 215,110.60 : x
  2. Step 2: Convert to fraction form
    879,958.60/1,319,937.90 = 215,110.60/x
  3. Step 3: Cross multiply
    879,958.60x = 1,319,937.90 × 215,110.60
  4. Step 4: Simplify right side
    879,958.60x = 283,932,633,631.74
  5. Step 5: Solve for x
    x = 283,932,633,631.74/879,958.60
  6. Step 6: Final answer
    x = 322,665.90

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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.