Home / 1,261,224.76-1,740,527.14-688,301.77

Finding the Fourth Proportional to 1,261,224.76, 1,740,527.14 and 688,301.77

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Solution

The fourth proportional to 1,261,224.76, 1,740,527.14 and 688,301.77 is: 949,876.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,224.76 : 1,740,527.14 = 688,301.77 : x
  2. Step 2: Convert to fraction form
    1,261,224.76/1,740,527.14 = 688,301.77/x
  3. Step 3: Cross multiply
    1,261,224.76x = 1,740,527.14 × 688,301.77
  4. Step 4: Simplify right side
    1,261,224.76x = 1,198,007,911,195.04
  5. Step 5: Solve for x
    x = 1,198,007,911,195.04/1,261,224.76
  6. Step 6: Final answer
    x = 949,876.62

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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.