Home / 650,669.39-897,796.15-408,811.84

Finding the Fourth Proportional to 650,669.39, 897,796.15 and 408,811.84

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Solution

The fourth proportional to 650,669.39, 897,796.15 and 408,811.84 is: 564,080.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,669.39 : 897,796.15 = 408,811.84 : x
  2. Step 2: Convert to fraction form
    650,669.39/897,796.15 = 408,811.84/x
  3. Step 3: Cross multiply
    650,669.39x = 897,796.15 × 408,811.84
  4. Step 4: Simplify right side
    650,669.39x = 367,029,695,059.46
  5. Step 5: Solve for x
    x = 367,029,695,059.46/650,669.39
  6. Step 6: Final answer
    x = 564,080.16

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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.