Home / 671,486.50-1,007,229.90-222,086.80

Finding the Fourth Proportional to 671,486.50, 1,007,229.90 and 222,086.80

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Solution

The fourth proportional to 671,486.50, 1,007,229.90 and 222,086.80 is: 333,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,486.50 : 1,007,229.90 = 222,086.80 : x
  2. Step 2: Convert to fraction form
    671,486.50/1,007,229.90 = 222,086.80/x
  3. Step 3: Cross multiply
    671,486.50x = 1,007,229.90 × 222,086.80
  4. Step 4: Simplify right side
    671,486.50x = 223,692,465,355.32
  5. Step 5: Solve for x
    x = 223,692,465,355.32/671,486.50
  6. Step 6: Final answer
    x = 333,130.25

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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.