Home / 1,211,776.88-1,672,263.59-667,933.74

Finding the Fourth Proportional to 1,211,776.88, 1,672,263.59 and 667,933.74

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Solution

The fourth proportional to 1,211,776.88, 1,672,263.59 and 667,933.74 is: 921,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,776.88 : 1,672,263.59 = 667,933.74 : x
  2. Step 2: Convert to fraction form
    1,211,776.88/1,672,263.59 = 667,933.74/x
  3. Step 3: Cross multiply
    1,211,776.88x = 1,672,263.59 × 667,933.74
  4. Step 4: Simplify right side
    1,211,776.88x = 1,116,961,270,594.86
  5. Step 5: Solve for x
    x = 1,116,961,270,594.86/1,211,776.88
  6. Step 6: Final answer
    x = 921,754.90

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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.