Home / 1,251,223.55-1,726,697.68-678,267.82

Finding the Fourth Proportional to 1,251,223.55, 1,726,697.68 and 678,267.82

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Solution

The fourth proportional to 1,251,223.55, 1,726,697.68 and 678,267.82 is: 936,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,223.55 : 1,726,697.68 = 678,267.82 : x
  2. Step 2: Convert to fraction form
    1,251,223.55/1,726,697.68 = 678,267.82/x
  3. Step 3: Cross multiply
    1,251,223.55x = 1,726,697.68 × 678,267.82
  4. Step 4: Simplify right side
    1,251,223.55x = 1,171,163,465,200.24
  5. Step 5: Solve for x
    x = 1,171,163,465,200.24/1,251,223.55
  6. Step 6: Final answer
    x = 936,014.57

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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.