Home / 853,080.66-1,177,241.85-471,099.78

Finding the Fourth Proportional to 853,080.66, 1,177,241.85 and 471,099.78

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Solution

The fourth proportional to 853,080.66, 1,177,241.85 and 471,099.78 is: 650,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,080.66 : 1,177,241.85 = 471,099.78 : x
  2. Step 2: Convert to fraction form
    853,080.66/1,177,241.85 = 471,099.78/x
  3. Step 3: Cross multiply
    853,080.66x = 1,177,241.85 × 471,099.78
  4. Step 4: Simplify right side
    853,080.66x = 554,598,376,541.79
  5. Step 5: Solve for x
    x = 554,598,376,541.79/853,080.66
  6. Step 6: Final answer
    x = 650,112.47

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Double scale
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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.