Home / 1,216,948.20-1,826,538.30-618,325.80

Finding the Fourth Proportional to 1,216,948.20, 1,826,538.30 and 618,325.80

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Solution

The fourth proportional to 1,216,948.20, 1,826,538.30 and 618,325.80 is: 928,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,948.20 : 1,826,538.30 = 618,325.80 : x
  2. Step 2: Convert to fraction form
    1,216,948.20/1,826,538.30 = 618,325.80/x
  3. Step 3: Cross multiply
    1,216,948.20x = 1,826,538.30 × 618,325.80
  4. Step 4: Simplify right side
    1,216,948.20x = 1,129,395,755,578.14
  5. Step 5: Solve for x
    x = 1,129,395,755,578.14/1,216,948.20
  6. Step 6: Final answer
    x = 928,055.73

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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.