Home / 1,206,679.14-1,665,214.20-662,813.58

Finding the Fourth Proportional to 1,206,679.14, 1,665,214.20 and 662,813.58

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Solution

The fourth proportional to 1,206,679.14, 1,665,214.20 and 662,813.58 is: 914,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,679.14 : 1,665,214.20 = 662,813.58 : x
  2. Step 2: Convert to fraction form
    1,206,679.14/1,665,214.20 = 662,813.58/x
  3. Step 3: Cross multiply
    1,206,679.14x = 1,665,214.20 × 662,813.58
  4. Step 4: Simplify right side
    1,206,679.14x = 1,103,726,585,368.84
  5. Step 5: Solve for x
    x = 1,103,726,585,368.84/1,206,679.14
  6. Step 6: Final answer
    x = 914,681.09

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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.