Home / 891,405.71-1,333,292.58-826,792.01

Finding the Fourth Proportional to 891,405.71, 1,333,292.58 and 826,792.01

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Solution

The fourth proportional to 891,405.71, 1,333,292.58 and 826,792.01 is: 1,236,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,405.71 : 1,333,292.58 = 826,792.01 : x
  2. Step 2: Convert to fraction form
    891,405.71/1,333,292.58 = 826,792.01/x
  3. Step 3: Cross multiply
    891,405.71x = 1,333,292.58 × 826,792.01
  4. Step 4: Simplify right side
    891,405.71x = 1,102,355,645,469.82
  5. Step 5: Solve for x
    x = 1,102,355,645,469.82/891,405.71
  6. Step 6: Final answer
    x = 1,236,648.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.