Home / 772,893.11-1,159,673.39-418,156.85

Finding the Fourth Proportional to 772,893.11, 1,159,673.39 and 418,156.85

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Solution

The fourth proportional to 772,893.11, 1,159,673.39 and 418,156.85 is: 627,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,893.11 : 1,159,673.39 = 418,156.85 : x
  2. Step 2: Convert to fraction form
    772,893.11/1,159,673.39 = 418,156.85/x
  3. Step 3: Cross multiply
    772,893.11x = 1,159,673.39 × 418,156.85
  4. Step 4: Simplify right side
    772,893.11x = 484,925,363,902.07
  5. Step 5: Solve for x
    x = 484,925,363,902.07/772,893.11
  6. Step 6: Final answer
    x = 627,415.82

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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.