Home / 1,070,391.04-1,606,956.71-919,553.14

Finding the Fourth Proportional to 1,070,391.04, 1,606,956.71 and 919,553.14

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Solution

The fourth proportional to 1,070,391.04, 1,606,956.71 and 919,553.14 is: 1,380,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,391.04 : 1,606,956.71 = 919,553.14 : x
  2. Step 2: Convert to fraction form
    1,070,391.04/1,606,956.71 = 919,553.14/x
  3. Step 3: Cross multiply
    1,070,391.04x = 1,606,956.71 × 919,553.14
  4. Step 4: Simplify right side
    1,070,391.04x = 1,477,682,088,524.57
  5. Step 5: Solve for x
    x = 1,477,682,088,524.57/1,070,391.04
  6. Step 6: Final answer
    x = 1,380,506.78

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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.