Home / 1,251,319.76-1,726,822.44-678,359.44

Finding the Fourth Proportional to 1,251,319.76, 1,726,822.44 and 678,359.44

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Solution

The fourth proportional to 1,251,319.76, 1,726,822.44 and 678,359.44 is: 936,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,319.76 : 1,726,822.44 = 678,359.44 : x
  2. Step 2: Convert to fraction form
    1,251,319.76/1,726,822.44 = 678,359.44/x
  3. Step 3: Cross multiply
    1,251,319.76x = 1,726,822.44 × 678,359.44
  4. Step 4: Simplify right side
    1,251,319.76x = 1,171,406,303,377.83
  5. Step 5: Solve for x
    x = 1,171,406,303,377.83/1,251,319.76
  6. Step 6: Final answer
    x = 936,136.66

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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.