Home / 591,131.20-886,696.80-433,667.20

Finding the Fourth Proportional to 591,131.20, 886,696.80 and 433,667.20

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Solution

The fourth proportional to 591,131.20, 886,696.80 and 433,667.20 is: 650,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,131.20 : 886,696.80 = 433,667.20 : x
  2. Step 2: Convert to fraction form
    591,131.20/886,696.80 = 433,667.20/x
  3. Step 3: Cross multiply
    591,131.20x = 886,696.80 × 433,667.20
  4. Step 4: Simplify right side
    591,131.20x = 384,531,318,504.96
  5. Step 5: Solve for x
    x = 384,531,318,504.96/591,131.20
  6. Step 6: Final answer
    x = 650,500.80

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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.