Home / 852,296.67-1,278,112.77-319,527

Finding the Fourth Proportional to 852,296.67, 1,278,112.77 and 319,527

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Solution

The fourth proportional to 852,296.67, 1,278,112.77 and 319,527 is: 479,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,296.67 : 1,278,112.77 = 319,527 : x
  2. Step 2: Convert to fraction form
    852,296.67/1,278,112.77 = 319,527/x
  3. Step 3: Cross multiply
    852,296.67x = 1,278,112.77 × 319,527
  4. Step 4: Simplify right side
    852,296.67x = 408,391,539,059.79
  5. Step 5: Solve for x
    x = 408,391,539,059.79/852,296.67
  6. Step 6: Final answer
    x = 479,165.94

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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.