Home / 888,142.55-1,225,562.67-500,936.63

Finding the Fourth Proportional to 888,142.55, 1,225,562.67 and 500,936.63

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Solution

The fourth proportional to 888,142.55, 1,225,562.67 and 500,936.63 is: 691,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,142.55 : 1,225,562.67 = 500,936.63 : x
  2. Step 2: Convert to fraction form
    888,142.55/1,225,562.67 = 500,936.63/x
  3. Step 3: Cross multiply
    888,142.55x = 1,225,562.67 × 500,936.63
  4. Step 4: Simplify right side
    888,142.55x = 613,929,227,635.79
  5. Step 5: Solve for x
    x = 613,929,227,635.79/888,142.55
  6. Step 6: Final answer
    x = 691,250.78

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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.