Home / 1,211,034.16-1,815,920.58-452,251.78

Finding the Fourth Proportional to 1,211,034.16, 1,815,920.58 and 452,251.78

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Solution

The fourth proportional to 1,211,034.16, 1,815,920.58 and 452,251.78 is: 678,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,034.16 : 1,815,920.58 = 452,251.78 : x
  2. Step 2: Convert to fraction form
    1,211,034.16/1,815,920.58 = 452,251.78/x
  3. Step 3: Cross multiply
    1,211,034.16x = 1,815,920.58 × 452,251.78
  4. Step 4: Simplify right side
    1,211,034.16x = 821,253,308,407.89
  5. Step 5: Solve for x
    x = 821,253,308,407.89/1,211,034.16
  6. Step 6: Final answer
    x = 678,142.15

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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.