Home / 1,811,763.27-2,715,955.45-612,851.29

Finding the Fourth Proportional to 1,811,763.27, 2,715,955.45 and 612,851.29

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Solution

The fourth proportional to 1,811,763.27, 2,715,955.45 and 612,851.29 is: 918,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,763.27 : 2,715,955.45 = 612,851.29 : x
  2. Step 2: Convert to fraction form
    1,811,763.27/2,715,955.45 = 612,851.29/x
  3. Step 3: Cross multiply
    1,811,763.27x = 2,715,955.45 × 612,851.29
  4. Step 4: Simplify right side
    1,811,763.27x = 1,664,476,792,793.01
  5. Step 5: Solve for x
    x = 1,664,476,792,793.01/1,811,763.27
  6. Step 6: Final answer
    x = 918,705.45

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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.