Home / 936,807.78-1,405,250.52-271,959.78

Finding the Fourth Proportional to 936,807.78, 1,405,250.52 and 271,959.78

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Solution

The fourth proportional to 936,807.78, 1,405,250.52 and 271,959.78 is: 407,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,807.78 : 1,405,250.52 = 271,959.78 : x
  2. Step 2: Convert to fraction form
    936,807.78/1,405,250.52 = 271,959.78/x
  3. Step 3: Cross multiply
    936,807.78x = 1,405,250.52 × 271,959.78
  4. Step 4: Simplify right side
    936,807.78x = 382,171,622,264.09
  5. Step 5: Solve for x
    x = 382,171,622,264.09/936,807.78
  6. Step 6: Final answer
    x = 407,950.95

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1.5x scale

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.