Home / 526,388.07-789,688.73-171,306.75

Finding the Fourth Proportional to 526,388.07, 789,688.73 and 171,306.75

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Solution

The fourth proportional to 526,388.07, 789,688.73 and 171,306.75 is: 256,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,388.07 : 789,688.73 = 171,306.75 : x
  2. Step 2: Convert to fraction form
    526,388.07/789,688.73 = 171,306.75/x
  3. Step 3: Cross multiply
    526,388.07x = 789,688.73 × 171,306.75
  4. Step 4: Simplify right side
    526,388.07x = 135,279,009,847.93
  5. Step 5: Solve for x
    x = 135,279,009,847.93/526,388.07
  6. Step 6: Final answer
    x = 256,994.82

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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.