Home / 1,227,284.28-1,840,070.52-543,799.40

Finding the Fourth Proportional to 1,227,284.28, 1,840,070.52 and 543,799.40

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Solution

The fourth proportional to 1,227,284.28, 1,840,070.52 and 543,799.40 is: 815,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,284.28 : 1,840,070.52 = 543,799.40 : x
  2. Step 2: Convert to fraction form
    1,227,284.28/1,840,070.52 = 543,799.40/x
  3. Step 3: Cross multiply
    1,227,284.28x = 1,840,070.52 × 543,799.40
  4. Step 4: Simplify right side
    1,227,284.28x = 1,000,629,240,708.53
  5. Step 5: Solve for x
    x = 1,000,629,240,708.53/1,227,284.28
  6. Step 6: Final answer
    x = 815,319.85

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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.