Home / 526,612.20-789,723.90-171,637.80

Finding the Fourth Proportional to 526,612.20, 789,723.90 and 171,637.80

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Solution

The fourth proportional to 526,612.20, 789,723.90 and 171,637.80 is: 257,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,612.20 : 789,723.90 = 171,637.80 : x
  2. Step 2: Convert to fraction form
    526,612.20/789,723.90 = 171,637.80/x
  3. Step 3: Cross multiply
    526,612.20x = 789,723.90 × 171,637.80
  4. Step 4: Simplify right side
    526,612.20x = 135,546,472,803.42
  5. Step 5: Solve for x
    x = 135,546,472,803.42/526,612.20
  6. Step 6: Final answer
    x = 257,393.34

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1.5x scale

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.