Home / 526,673.42-789,823.21-189,623.51

Finding the Fourth Proportional to 526,673.42, 789,823.21 and 189,623.51

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Solution

The fourth proportional to 526,673.42, 789,823.21 and 189,623.51 is: 284,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,673.42 : 789,823.21 = 189,623.51 : x
  2. Step 2: Convert to fraction form
    526,673.42/789,823.21 = 189,623.51/x
  3. Step 3: Cross multiply
    526,673.42x = 789,823.21 × 189,623.51
  4. Step 4: Simplify right side
    526,673.42x = 149,769,045,410.55
  5. Step 5: Solve for x
    x = 149,769,045,410.55/526,673.42
  6. Step 6: Final answer
    x = 284,367.96

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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.