Home / 769,214.40-1,061,500.32-467,505.60

Finding the Fourth Proportional to 769,214.40, 1,061,500.32 and 467,505.60

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Solution

The fourth proportional to 769,214.40, 1,061,500.32 and 467,505.60 is: 645,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,214.40 : 1,061,500.32 = 467,505.60 : x
  2. Step 2: Convert to fraction form
    769,214.40/1,061,500.32 = 467,505.60/x
  3. Step 3: Cross multiply
    769,214.40x = 1,061,500.32 × 467,505.60
  4. Step 4: Simplify right side
    769,214.40x = 496,257,344,001.79
  5. Step 5: Solve for x
    x = 496,257,344,001.79/769,214.40
  6. Step 6: Final answer
    x = 645,148.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.