Home / 959,597.15-1,438,914.41-319,675.90

Finding the Fourth Proportional to 959,597.15, 1,438,914.41 and 319,675.90

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Solution

The fourth proportional to 959,597.15, 1,438,914.41 and 319,675.90 is: 479,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,597.15 : 1,438,914.41 = 319,675.90 : x
  2. Step 2: Convert to fraction form
    959,597.15/1,438,914.41 = 319,675.90/x
  3. Step 3: Cross multiply
    959,597.15x = 1,438,914.41 × 319,675.90
  4. Step 4: Simplify right side
    959,597.15x = 459,986,253,844.05
  5. Step 5: Solve for x
    x = 459,986,253,844.05/959,597.15
  6. Step 6: Final answer
    x = 479,353.50

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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.