Home / 407,193.60-561,761.28-273,100.80

Finding the Fourth Proportional to 407,193.60, 561,761.28 and 273,100.80

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Solution

The fourth proportional to 407,193.60, 561,761.28 and 273,100.80 is: 376,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,193.60 : 561,761.28 = 273,100.80 : x
  2. Step 2: Convert to fraction form
    407,193.60/561,761.28 = 273,100.80/x
  3. Step 3: Cross multiply
    407,193.60x = 561,761.28 × 273,100.80
  4. Step 4: Simplify right side
    407,193.60x = 153,417,454,977.02
  5. Step 5: Solve for x
    x = 153,417,454,977.02/407,193.60
  6. Step 6: Final answer
    x = 376,767.84

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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.