Home / 891,938.56-1,231,111.20-552,213.76

Finding the Fourth Proportional to 891,938.56, 1,231,111.20 and 552,213.76

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Solution

The fourth proportional to 891,938.56, 1,231,111.20 and 552,213.76 is: 762,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,938.56 : 1,231,111.20 = 552,213.76 : x
  2. Step 2: Convert to fraction form
    891,938.56/1,231,111.20 = 552,213.76/x
  3. Step 3: Cross multiply
    891,938.56x = 1,231,111.20 × 552,213.76
  4. Step 4: Simplify right side
    891,938.56x = 679,836,544,730.11
  5. Step 5: Solve for x
    x = 679,836,544,730.11/891,938.56
  6. Step 6: Final answer
    x = 762,201.09

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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.