Home / 1,328,077.20-1,993,152.60-618,193.20

Finding the Fourth Proportional to 1,328,077.20, 1,993,152.60 and 618,193.20

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Solution

The fourth proportional to 1,328,077.20, 1,993,152.60 and 618,193.20 is: 927,772.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,077.20 : 1,993,152.60 = 618,193.20 : x
  2. Step 2: Convert to fraction form
    1,328,077.20/1,993,152.60 = 618,193.20/x
  3. Step 3: Cross multiply
    1,328,077.20x = 1,993,152.60 × 618,193.20
  4. Step 4: Simplify right side
    1,328,077.20x = 1,232,153,383,882.32
  5. Step 5: Solve for x
    x = 1,232,153,383,882.32/1,328,077.20
  6. Step 6: Final answer
    x = 927,772.41

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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.