Home / 766,909.84-1,150,367.76-234,428.80

Finding the Fourth Proportional to 766,909.84, 1,150,367.76 and 234,428.80

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Solution

The fourth proportional to 766,909.84, 1,150,367.76 and 234,428.80 is: 351,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,909.84 : 1,150,367.76 = 234,428.80 : x
  2. Step 2: Convert to fraction form
    766,909.84/1,150,367.76 = 234,428.80/x
  3. Step 3: Cross multiply
    766,909.84x = 1,150,367.76 × 234,428.80
  4. Step 4: Simplify right side
    766,909.84x = 269,679,333,535.49
  5. Step 5: Solve for x
    x = 269,679,333,535.49/766,909.84
  6. Step 6: Final answer
    x = 351,644.12

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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.