Home / 458,364.24-687,622.14-192,144.60

Finding the Fourth Proportional to 458,364.24, 687,622.14 and 192,144.60

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Solution

The fourth proportional to 458,364.24, 687,622.14 and 192,144.60 is: 288,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,364.24 : 687,622.14 = 192,144.60 : x
  2. Step 2: Convert to fraction form
    458,364.24/687,622.14 = 192,144.60/x
  3. Step 3: Cross multiply
    458,364.24x = 687,622.14 × 192,144.60
  4. Step 4: Simplify right side
    458,364.24x = 132,122,881,041.44
  5. Step 5: Solve for x
    x = 132,122,881,041.44/458,364.24
  6. Step 6: Final answer
    x = 288,248.67

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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.