Home / 782,396.52-1,173,456.04-355,832.42

Finding the Fourth Proportional to 782,396.52, 1,173,456.04 and 355,832.42

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Solution

The fourth proportional to 782,396.52, 1,173,456.04 and 355,832.42 is: 533,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,396.52 : 1,173,456.04 = 355,832.42 : x
  2. Step 2: Convert to fraction form
    782,396.52/1,173,456.04 = 355,832.42/x
  3. Step 3: Cross multiply
    782,396.52x = 1,173,456.04 × 355,832.42
  4. Step 4: Simplify right side
    782,396.52x = 417,553,698,686.71
  5. Step 5: Solve for x
    x = 417,553,698,686.71/782,396.52
  6. Step 6: Final answer
    x = 533,685.53

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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.