Home / 1,420,936.53-1,960,869.24-776,342.85

Finding the Fourth Proportional to 1,420,936.53, 1,960,869.24 and 776,342.85

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Solution

The fourth proportional to 1,420,936.53, 1,960,869.24 and 776,342.85 is: 1,071,340.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,936.53 : 1,960,869.24 = 776,342.85 : x
  2. Step 2: Convert to fraction form
    1,420,936.53/1,960,869.24 = 776,342.85/x
  3. Step 3: Cross multiply
    1,420,936.53x = 1,960,869.24 × 776,342.85
  4. Step 4: Simplify right side
    1,420,936.53x = 1,522,306,814,258.93
  5. Step 5: Solve for x
    x = 1,522,306,814,258.93/1,420,936.53
  6. Step 6: Final answer
    x = 1,071,340.47

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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.