Home / 691,202-1,036,862.40-192,566

Finding the Fourth Proportional to 691,202, 1,036,862.40 and 192,566

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Solution

The fourth proportional to 691,202, 1,036,862.40 and 192,566 is: 288,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,202 : 1,036,862.40 = 192,566 : x
  2. Step 2: Convert to fraction form
    691,202/1,036,862.40 = 192,566/x
  3. Step 3: Cross multiply
    691,202x = 1,036,862.40 × 192,566
  4. Step 4: Simplify right side
    691,202x = 199,664,444,918.40
  5. Step 5: Solve for x
    x = 199,664,444,918.40/691,202
  6. Step 6: Final answer
    x = 288,865.55

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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.