Home / 868,098.70-1,304,143.70-612,519.51

Finding the Fourth Proportional to 868,098.70, 1,304,143.70 and 612,519.51

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Solution

The fourth proportional to 868,098.70, 1,304,143.70 and 612,519.51 is: 920,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,098.70 : 1,304,143.70 = 612,519.51 : x
  2. Step 2: Convert to fraction form
    868,098.70/1,304,143.70 = 612,519.51/x
  3. Step 3: Cross multiply
    868,098.70x = 1,304,143.70 × 612,519.51
  4. Step 4: Simplify right side
    868,098.70x = 798,813,460,093.59
  5. Step 5: Solve for x
    x = 798,813,460,093.59/868,098.70
  6. Step 6: Final answer
    x = 920,187.37

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1.5x scale

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.