Home / 1,679,337.90-2,519,334.90-668,287.80

Finding the Fourth Proportional to 1,679,337.90, 2,519,334.90 and 668,287.80

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Solution

The fourth proportional to 1,679,337.90, 2,519,334.90 and 668,287.80 is: 1,002,562.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,337.90 : 2,519,334.90 = 668,287.80 : x
  2. Step 2: Convert to fraction form
    1,679,337.90/2,519,334.90 = 668,287.80/x
  3. Step 3: Cross multiply
    1,679,337.90x = 2,519,334.90 × 668,287.80
  4. Step 4: Simplify right side
    1,679,337.90x = 1,683,640,777,784.22
  5. Step 5: Solve for x
    x = 1,683,640,777,784.22/1,679,337.90
  6. Step 6: Final answer
    x = 1,002,562.25

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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.