Home / 934,121.49-1,286,372.52-811,557.15

Finding the Fourth Proportional to 934,121.49, 1,286,372.52 and 811,557.15

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Solution

The fourth proportional to 934,121.49, 1,286,372.52 and 811,557.15 is: 1,117,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,121.49 : 1,286,372.52 = 811,557.15 : x
  2. Step 2: Convert to fraction form
    934,121.49/1,286,372.52 = 811,557.15/x
  3. Step 3: Cross multiply
    934,121.49x = 1,286,372.52 × 811,557.15
  4. Step 4: Simplify right side
    934,121.49x = 1,043,964,816,169.52
  5. Step 5: Solve for x
    x = 1,043,964,816,169.52/934,121.49
  6. Step 6: Final answer
    x = 1,117,589.98

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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.