Home / 766,040.04-1,149,224.76-381,998.16

Finding the Fourth Proportional to 766,040.04, 1,149,224.76 and 381,998.16

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Solution

The fourth proportional to 766,040.04, 1,149,224.76 and 381,998.16 is: 573,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,040.04 : 1,149,224.76 = 381,998.16 : x
  2. Step 2: Convert to fraction form
    766,040.04/1,149,224.76 = 381,998.16/x
  3. Step 3: Cross multiply
    766,040.04x = 1,149,224.76 × 381,998.16
  4. Step 4: Simplify right side
    766,040.04x = 439,001,743,746.44
  5. Step 5: Solve for x
    x = 439,001,743,746.44/766,040.04
  6. Step 6: Final answer
    x = 573,079.37

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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.