Home / 842,157.27-1,263,597.80-273,712.56

Finding the Fourth Proportional to 842,157.27, 1,263,597.80 and 273,712.56

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Solution

The fourth proportional to 842,157.27, 1,263,597.80 and 273,712.56 is: 410,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,157.27 : 1,263,597.80 = 273,712.56 : x
  2. Step 2: Convert to fraction form
    842,157.27/1,263,597.80 = 273,712.56/x
  3. Step 3: Cross multiply
    842,157.27x = 1,263,597.80 × 273,712.56
  4. Step 4: Simplify right side
    842,157.27x = 345,862,582,541.31
  5. Step 5: Solve for x
    x = 345,862,582,541.31/842,157.27
  6. Step 6: Final answer
    x = 410,686.45

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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.