Home / 1,192,321.83-1,788,103.39-393,454.47

Finding the Fourth Proportional to 1,192,321.83, 1,788,103.39 and 393,454.47

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Solution

The fourth proportional to 1,192,321.83, 1,788,103.39 and 393,454.47 is: 590,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,321.83 : 1,788,103.39 = 393,454.47 : x
  2. Step 2: Convert to fraction form
    1,192,321.83/1,788,103.39 = 393,454.47/x
  3. Step 3: Cross multiply
    1,192,321.83x = 1,788,103.39 × 393,454.47
  4. Step 4: Simplify right side
    1,192,321.83x = 703,537,271,617.65
  5. Step 5: Solve for x
    x = 703,537,271,617.65/1,192,321.83
  6. Step 6: Final answer
    x = 590,056.52

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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.