Home / 1,496,101.20-2,245,561.20-786,638.40

Finding the Fourth Proportional to 1,496,101.20, 2,245,561.20 and 786,638.40

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Solution

The fourth proportional to 1,496,101.20, 2,245,561.20 and 786,638.40 is: 1,180,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,101.20 : 2,245,561.20 = 786,638.40 : x
  2. Step 2: Convert to fraction form
    1,496,101.20/2,245,561.20 = 786,638.40/x
  3. Step 3: Cross multiply
    1,496,101.20x = 2,245,561.20 × 786,638.40
  4. Step 4: Simplify right side
    1,496,101.20x = 1,766,444,669,470.08
  5. Step 5: Solve for x
    x = 1,766,444,669,470.08/1,496,101.20
  6. Step 6: Final answer
    x = 1,180,698.65

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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.