Home / 874,028.17-1,206,181.43-492,068.62

Finding the Fourth Proportional to 874,028.17, 1,206,181.43 and 492,068.62

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Solution

The fourth proportional to 874,028.17, 1,206,181.43 and 492,068.62 is: 679,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,028.17 : 1,206,181.43 = 492,068.62 : x
  2. Step 2: Convert to fraction form
    874,028.17/1,206,181.43 = 492,068.62/x
  3. Step 3: Cross multiply
    874,028.17x = 1,206,181.43 × 492,068.62
  4. Step 4: Simplify right side
    874,028.17x = 593,524,031,729.73
  5. Step 5: Solve for x
    x = 593,524,031,729.73/874,028.17
  6. Step 6: Final answer
    x = 679,067.39

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1.5x scale

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.