Home / 1,679,761.49-2,518,150.20-654,855.53

Finding the Fourth Proportional to 1,679,761.49, 2,518,150.20 and 654,855.53

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Solution

The fourth proportional to 1,679,761.49, 2,518,150.20 and 654,855.53 is: 981,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,761.49 : 2,518,150.20 = 654,855.53 : x
  2. Step 2: Convert to fraction form
    1,679,761.49/2,518,150.20 = 654,855.53/x
  3. Step 3: Cross multiply
    1,679,761.49x = 2,518,150.20 × 654,855.53
  4. Step 4: Simplify right side
    1,679,761.49x = 1,649,024,571,249.86
  5. Step 5: Solve for x
    x = 1,649,024,571,249.86/1,679,761.49
  6. Step 6: Final answer
    x = 981,701.62

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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.