Home / 862,923.28-1,190,801.62-500,362.42

Finding the Fourth Proportional to 862,923.28, 1,190,801.62 and 500,362.42

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Solution

The fourth proportional to 862,923.28, 1,190,801.62 and 500,362.42 is: 690,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,923.28 : 1,190,801.62 = 500,362.42 : x
  2. Step 2: Convert to fraction form
    862,923.28/1,190,801.62 = 500,362.42/x
  3. Step 3: Cross multiply
    862,923.28x = 1,190,801.62 × 500,362.42
  4. Step 4: Simplify right side
    862,923.28x = 595,832,380,323.12
  5. Step 5: Solve for x
    x = 595,832,380,323.12/862,923.28
  6. Step 6: Final answer
    x = 690,481.29

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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.