Home / 842,790.92-1,163,367.72-552,421.17

Finding the Fourth Proportional to 842,790.92, 1,163,367.72 and 552,421.17

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Solution

The fourth proportional to 842,790.92, 1,163,367.72 and 552,421.17 is: 762,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,790.92 : 1,163,367.72 = 552,421.17 : x
  2. Step 2: Convert to fraction form
    842,790.92/1,163,367.72 = 552,421.17/x
  3. Step 3: Cross multiply
    842,790.92x = 1,163,367.72 × 552,421.17
  4. Step 4: Simplify right side
    842,790.92x = 642,668,957,022.63
  5. Step 5: Solve for x
    x = 642,668,957,022.63/842,790.92
  6. Step 6: Final answer
    x = 762,548.51

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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.