Home / 807,717.83-1,211,589.38-239,156.61

Finding the Fourth Proportional to 807,717.83, 1,211,589.38 and 239,156.61

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Solution

The fourth proportional to 807,717.83, 1,211,589.38 and 239,156.61 is: 358,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,717.83 : 1,211,589.38 = 239,156.61 : x
  2. Step 2: Convert to fraction form
    807,717.83/1,211,589.38 = 239,156.61/x
  3. Step 3: Cross multiply
    807,717.83x = 1,211,589.38 × 239,156.61
  4. Step 4: Simplify right side
    807,717.83x = 289,759,604,887.23
  5. Step 5: Solve for x
    x = 289,759,604,887.23/807,717.83
  6. Step 6: Final answer
    x = 358,738.65

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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.