Home / 774,880.47-1,162,369.92-206,252.28

Finding the Fourth Proportional to 774,880.47, 1,162,369.92 and 206,252.28

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Solution

The fourth proportional to 774,880.47, 1,162,369.92 and 206,252.28 is: 309,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,880.47 : 1,162,369.92 = 206,252.28 : x
  2. Step 2: Convert to fraction form
    774,880.47/1,162,369.92 = 206,252.28/x
  3. Step 3: Cross multiply
    774,880.47x = 1,162,369.92 × 206,252.28
  4. Step 4: Simplify right side
    774,880.47x = 239,741,446,203.42
  5. Step 5: Solve for x
    x = 239,741,446,203.42/774,880.47
  6. Step 6: Final answer
    x = 309,391.52

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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.