Home / 962,589.32-1,328,999.96-618,557.82

Finding the Fourth Proportional to 962,589.32, 1,328,999.96 and 618,557.82

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Solution

The fourth proportional to 962,589.32, 1,328,999.96 and 618,557.82 is: 854,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,589.32 : 1,328,999.96 = 618,557.82 : x
  2. Step 2: Convert to fraction form
    962,589.32/1,328,999.96 = 618,557.82/x
  3. Step 3: Cross multiply
    962,589.32x = 1,328,999.96 × 618,557.82
  4. Step 4: Simplify right side
    962,589.32x = 822,063,319,584.08
  5. Step 5: Solve for x
    x = 822,063,319,584.08/962,589.32
  6. Step 6: Final answer
    x = 854,012.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.