Home / 1,284,251.85-1,772,059.30-768,218.98

Finding the Fourth Proportional to 1,284,251.85, 1,772,059.30 and 768,218.98

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Solution

The fourth proportional to 1,284,251.85, 1,772,059.30 and 768,218.98 is: 1,060,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,251.85 : 1,772,059.30 = 768,218.98 : x
  2. Step 2: Convert to fraction form
    1,284,251.85/1,772,059.30 = 768,218.98/x
  3. Step 3: Cross multiply
    1,284,251.85x = 1,772,059.30 × 768,218.98
  4. Step 4: Simplify right side
    1,284,251.85x = 1,361,329,581,594.82
  5. Step 5: Solve for x
    x = 1,361,329,581,594.82/1,284,251.85
  6. Step 6: Final answer
    x = 1,060,017.61

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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.