Home / 1,186,914.20-1,637,942.52-696,787.78

Finding the Fourth Proportional to 1,186,914.20, 1,637,942.52 and 696,787.78

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Solution

The fourth proportional to 1,186,914.20, 1,637,942.52 and 696,787.78 is: 961,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,914.20 : 1,637,942.52 = 696,787.78 : x
  2. Step 2: Convert to fraction form
    1,186,914.20/1,637,942.52 = 696,787.78/x
  3. Step 3: Cross multiply
    1,186,914.20x = 1,637,942.52 × 696,787.78
  4. Step 4: Simplify right side
    1,186,914.20x = 1,141,298,332,278.41
  5. Step 5: Solve for x
    x = 1,141,298,332,278.41/1,186,914.20
  6. Step 6: Final answer
    x = 961,567.68

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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.