Home / 1,117,568.56-1,542,278.01-688,096.48

Finding the Fourth Proportional to 1,117,568.56, 1,542,278.01 and 688,096.48

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Solution

The fourth proportional to 1,117,568.56, 1,542,278.01 and 688,096.48 is: 949,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,568.56 : 1,542,278.01 = 688,096.48 : x
  2. Step 2: Convert to fraction form
    1,117,568.56/1,542,278.01 = 688,096.48/x
  3. Step 3: Cross multiply
    1,117,568.56x = 1,542,278.01 × 688,096.48
  4. Step 4: Simplify right side
    1,117,568.56x = 1,061,236,069,862.40
  5. Step 5: Solve for x
    x = 1,061,236,069,862.40/1,117,568.56
  6. Step 6: Final answer
    x = 949,593.71

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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.