Home / 526,498.20-789,747.30-414,523.80

Finding the Fourth Proportional to 526,498.20, 789,747.30 and 414,523.80

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Solution

The fourth proportional to 526,498.20, 789,747.30 and 414,523.80 is: 621,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,498.20 : 789,747.30 = 414,523.80 : x
  2. Step 2: Convert to fraction form
    526,498.20/789,747.30 = 414,523.80/x
  3. Step 3: Cross multiply
    526,498.20x = 789,747.30 × 414,523.80
  4. Step 4: Simplify right side
    526,498.20x = 327,369,051,835.74
  5. Step 5: Solve for x
    x = 327,369,051,835.74/526,498.20
  6. Step 6: Final answer
    x = 621,785.70

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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.