Home / 766,376.10-1,149,564.15-197,756.10

Finding the Fourth Proportional to 766,376.10, 1,149,564.15 and 197,756.10

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Solution

The fourth proportional to 766,376.10, 1,149,564.15 and 197,756.10 is: 296,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,376.10 : 1,149,564.15 = 197,756.10 : x
  2. Step 2: Convert to fraction form
    766,376.10/1,149,564.15 = 197,756.10/x
  3. Step 3: Cross multiply
    766,376.10x = 1,149,564.15 × 197,756.10
  4. Step 4: Simplify right side
    766,376.10x = 227,333,323,003.82
  5. Step 5: Solve for x
    x = 227,333,323,003.82/766,376.10
  6. Step 6: Final answer
    x = 296,634.15

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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.