Home / 1,216,855.20-1,826,398.80-618,232.80

Finding the Fourth Proportional to 1,216,855.20, 1,826,398.80 and 618,232.80

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Solution

The fourth proportional to 1,216,855.20, 1,826,398.80 and 618,232.80 is: 927,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,855.20 : 1,826,398.80 = 618,232.80 : x
  2. Step 2: Convert to fraction form
    1,216,855.20/1,826,398.80 = 618,232.80/x
  3. Step 3: Cross multiply
    1,216,855.20x = 1,826,398.80 × 618,232.80
  4. Step 4: Simplify right side
    1,216,855.20x = 1,129,139,644,040.64
  5. Step 5: Solve for x
    x = 1,129,139,644,040.64/1,216,855.20
  6. Step 6: Final answer
    x = 927,916.19

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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.