Home / 1,227,286.28-1,840,073.52-543,801.40

Finding the Fourth Proportional to 1,227,286.28, 1,840,073.52 and 543,801.40

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Solution

The fourth proportional to 1,227,286.28, 1,840,073.52 and 543,801.40 is: 815,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,286.28 : 1,840,073.52 = 543,801.40 : x
  2. Step 2: Convert to fraction form
    1,227,286.28/1,840,073.52 = 543,801.40/x
  3. Step 3: Cross multiply
    1,227,286.28x = 1,840,073.52 × 543,801.40
  4. Step 4: Simplify right side
    1,227,286.28x = 1,000,634,556,278.93
  5. Step 5: Solve for x
    x = 1,000,634,556,278.93/1,227,286.28
  6. Step 6: Final answer
    x = 815,322.86

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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.