Home / 792,535.16-1,188,841.62-319,156.58

Finding the Fourth Proportional to 792,535.16, 1,188,841.62 and 319,156.58

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Solution

The fourth proportional to 792,535.16, 1,188,841.62 and 319,156.58 is: 478,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,535.16 : 1,188,841.62 = 319,156.58 : x
  2. Step 2: Convert to fraction form
    792,535.16/1,188,841.62 = 319,156.58/x
  3. Step 3: Cross multiply
    792,535.16x = 1,188,841.62 × 319,156.58
  4. Step 4: Simplify right side
    792,535.16x = 379,426,625,600.86
  5. Step 5: Solve for x
    x = 379,426,625,600.86/792,535.16
  6. Step 6: Final answer
    x = 478,750.53

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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.