Home / 904,103.10-1,247,571.42-541,517.64

Finding the Fourth Proportional to 904,103.10, 1,247,571.42 and 541,517.64

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Solution

The fourth proportional to 904,103.10, 1,247,571.42 and 541,517.64 is: 747,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,103.10 : 1,247,571.42 = 541,517.64 : x
  2. Step 2: Convert to fraction form
    904,103.10/1,247,571.42 = 541,517.64/x
  3. Step 3: Cross multiply
    904,103.10x = 1,247,571.42 × 541,517.64
  4. Step 4: Simplify right side
    904,103.10x = 675,581,931,089.85
  5. Step 5: Solve for x
    x = 675,581,931,089.85/904,103.10
  6. Step 6: Final answer
    x = 747,239.92

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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.