Home / 781,770.54-1,172,827.98-444,969.66

Finding the Fourth Proportional to 781,770.54, 1,172,827.98 and 444,969.66

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Solution

The fourth proportional to 781,770.54, 1,172,827.98 and 444,969.66 is: 667,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,770.54 : 1,172,827.98 = 444,969.66 : x
  2. Step 2: Convert to fraction form
    781,770.54/1,172,827.98 = 444,969.66/x
  3. Step 3: Cross multiply
    781,770.54x = 1,172,827.98 × 444,969.66
  4. Step 4: Simplify right side
    781,770.54x = 521,872,867,499.09
  5. Step 5: Solve for x
    x = 521,872,867,499.09/781,770.54
  6. Step 6: Final answer
    x = 667,552.49

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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.