Home / 526,400.74-789,912.15-194,210.02

Finding the Fourth Proportional to 526,400.74, 789,912.15 and 194,210.02

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Solution

The fourth proportional to 526,400.74, 789,912.15 and 194,210.02 is: 291,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,400.74 : 789,912.15 = 194,210.02 : x
  2. Step 2: Convert to fraction form
    526,400.74/789,912.15 = 194,210.02/x
  3. Step 3: Cross multiply
    526,400.74x = 789,912.15 × 194,210.02
  4. Step 4: Simplify right side
    526,400.74x = 153,408,854,449.74
  5. Step 5: Solve for x
    x = 153,408,854,449.74/526,400.74
  6. Step 6: Final answer
    x = 291,429.78

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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.