Home / 827,984.80-1,241,321.10-454,007.80

Finding the Fourth Proportional to 827,984.80, 1,241,321.10 and 454,007.80

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Solution

The fourth proportional to 827,984.80, 1,241,321.10 and 454,007.80 is: 680,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,984.80 : 1,241,321.10 = 454,007.80 : x
  2. Step 2: Convert to fraction form
    827,984.80/1,241,321.10 = 454,007.80/x
  3. Step 3: Cross multiply
    827,984.80x = 1,241,321.10 × 454,007.80
  4. Step 4: Simplify right side
    827,984.80x = 563,569,461,704.58
  5. Step 5: Solve for x
    x = 563,569,461,704.58/827,984.80
  6. Step 6: Final answer
    x = 680,651.94

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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.