Home / 440,936.34-661,333.65-121,013.46

Finding the Fourth Proportional to 440,936.34, 661,333.65 and 121,013.46

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Solution

The fourth proportional to 440,936.34, 661,333.65 and 121,013.46 is: 181,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,936.34 : 661,333.65 = 121,013.46 : x
  2. Step 2: Convert to fraction form
    440,936.34/661,333.65 = 121,013.46/x
  3. Step 3: Cross multiply
    440,936.34x = 661,333.65 × 121,013.46
  4. Step 4: Simplify right side
    440,936.34x = 80,030,273,200.93
  5. Step 5: Solve for x
    x = 80,030,273,200.93/440,936.34
  6. Step 6: Final answer
    x = 181,500.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.