Home / 1,333,136.80-1,993,873.20-1,192,002.40

Finding the Fourth Proportional to 1,333,136.80, 1,993,873.20 and 1,192,002.40

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Solution

The fourth proportional to 1,333,136.80, 1,993,873.20 and 1,192,002.40 is: 1,782,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,136.80 : 1,993,873.20 = 1,192,002.40 : x
  2. Step 2: Convert to fraction form
    1,333,136.80/1,993,873.20 = 1,192,002.40/x
  3. Step 3: Cross multiply
    1,333,136.80x = 1,993,873.20 × 1,192,002.40
  4. Step 4: Simplify right side
    1,333,136.80x = 2,376,701,639,695.68
  5. Step 5: Solve for x
    x = 2,376,701,639,695.68/1,333,136.80
  6. Step 6: Final answer
    x = 1,782,789.01

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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.