Home / 939,944.52-1,293,845.04-811,290.96

Finding the Fourth Proportional to 939,944.52, 1,293,845.04 and 811,290.96

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Solution

The fourth proportional to 939,944.52, 1,293,845.04 and 811,290.96 is: 1,116,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,944.52 : 1,293,845.04 = 811,290.96 : x
  2. Step 2: Convert to fraction form
    939,944.52/1,293,845.04 = 811,290.96/x
  3. Step 3: Cross multiply
    939,944.52x = 1,293,845.04 × 811,290.96
  4. Step 4: Simplify right side
    939,944.52x = 1,049,684,784,592.84
  5. Step 5: Solve for x
    x = 1,049,684,784,592.84/939,944.52
  6. Step 6: Final answer
    x = 1,116,751.85

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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.