Home / 1,000,642.28-1,380,887.19-541,757.23

Finding the Fourth Proportional to 1,000,642.28, 1,380,887.19 and 541,757.23

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Solution

The fourth proportional to 1,000,642.28, 1,380,887.19 and 541,757.23 is: 747,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,642.28 : 1,380,887.19 = 541,757.23 : x
  2. Step 2: Convert to fraction form
    1,000,642.28/1,380,887.19 = 541,757.23/x
  3. Step 3: Cross multiply
    1,000,642.28x = 1,380,887.19 × 541,757.23
  4. Step 4: Simplify right side
    1,000,642.28x = 748,105,615,544.67
  5. Step 5: Solve for x
    x = 748,105,615,544.67/1,000,642.28
  6. Step 6: Final answer
    x = 747,625.43

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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.