Home / 772,076.08-1,158,268.92-266,655.59

Finding the Fourth Proportional to 772,076.08, 1,158,268.92 and 266,655.59

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Solution

The fourth proportional to 772,076.08, 1,158,268.92 and 266,655.59 is: 400,036.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,076.08 : 1,158,268.92 = 266,655.59 : x
  2. Step 2: Convert to fraction form
    772,076.08/1,158,268.92 = 266,655.59/x
  3. Step 3: Cross multiply
    772,076.08x = 1,158,268.92 × 266,655.59
  4. Step 4: Simplify right side
    772,076.08x = 308,858,886,308.73
  5. Step 5: Solve for x
    x = 308,858,886,308.73/772,076.08
  6. Step 6: Final answer
    x = 400,036.86

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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.