Home / 792,775.20-1,189,158.36-193,739.52

Finding the Fourth Proportional to 792,775.20, 1,189,158.36 and 193,739.52

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Solution

The fourth proportional to 792,775.20, 1,189,158.36 and 193,739.52 is: 290,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,775.20 : 1,189,158.36 = 193,739.52 : x
  2. Step 2: Convert to fraction form
    792,775.20/1,189,158.36 = 193,739.52/x
  3. Step 3: Cross multiply
    792,775.20x = 1,189,158.36 × 193,739.52
  4. Step 4: Simplify right side
    792,775.20x = 230,386,969,870.39
  5. Step 5: Solve for x
    x = 230,386,969,870.39/792,775.20
  6. Step 6: Final answer
    x = 290,608.19

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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.