Home / 2,193,176.80-3,289,765.20-773,376.40

Finding the Fourth Proportional to 2,193,176.80, 3,289,765.20 and 773,376.40

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Solution

The fourth proportional to 2,193,176.80, 3,289,765.20 and 773,376.40 is: 1,160,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,176.80 : 3,289,765.20 = 773,376.40 : x
  2. Step 2: Convert to fraction form
    2,193,176.80/3,289,765.20 = 773,376.40/x
  3. Step 3: Cross multiply
    2,193,176.80x = 3,289,765.20 × 773,376.40
  4. Step 4: Simplify right side
    2,193,176.80x = 2,544,226,767,221.28
  5. Step 5: Solve for x
    x = 2,544,226,767,221.28/2,193,176.80
  6. Step 6: Final answer
    x = 1,160,064.60

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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.