Home / 1,217,059.20-1,826,704.80-618,436.80

Finding the Fourth Proportional to 1,217,059.20, 1,826,704.80 and 618,436.80

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Solution

The fourth proportional to 1,217,059.20, 1,826,704.80 and 618,436.80 is: 928,222.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,059.20 : 1,826,704.80 = 618,436.80 : x
  2. Step 2: Convert to fraction form
    1,217,059.20/1,826,704.80 = 618,436.80/x
  3. Step 3: Cross multiply
    1,217,059.20x = 1,826,704.80 × 618,436.80
  4. Step 4: Simplify right side
    1,217,059.20x = 1,129,701,471,056.64
  5. Step 5: Solve for x
    x = 1,129,701,471,056.64/1,217,059.20
  6. Step 6: Final answer
    x = 928,222.28

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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.