Home / 1,263,838.73-1,744,109.06-719,966.46

Finding the Fourth Proportional to 1,263,838.73, 1,744,109.06 and 719,966.46

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Solution

The fourth proportional to 1,263,838.73, 1,744,109.06 and 719,966.46 is: 993,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,838.73 : 1,744,109.06 = 719,966.46 : x
  2. Step 2: Convert to fraction form
    1,263,838.73/1,744,109.06 = 719,966.46/x
  3. Step 3: Cross multiply
    1,263,838.73x = 1,744,109.06 × 719,966.46
  4. Step 4: Simplify right side
    1,263,838.73x = 1,255,700,022,182.30
  5. Step 5: Solve for x
    x = 1,255,700,022,182.30/1,263,838.73
  6. Step 6: Final answer
    x = 993,560.33

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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.