Home / 775,963.14-1,163,993.91-243,505.17

Finding the Fourth Proportional to 775,963.14, 1,163,993.91 and 243,505.17

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Solution

The fourth proportional to 775,963.14, 1,163,993.91 and 243,505.17 is: 365,273.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,963.14 : 1,163,993.91 = 243,505.17 : x
  2. Step 2: Convert to fraction form
    775,963.14/1,163,993.91 = 243,505.17/x
  3. Step 3: Cross multiply
    775,963.14x = 1,163,993.91 × 243,505.17
  4. Step 4: Simplify right side
    775,963.14x = 283,438,534,933.52
  5. Step 5: Solve for x
    x = 283,438,534,933.52/775,963.14
  6. Step 6: Final answer
    x = 365,273.19

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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.