Home / 508,766.20-763,148.76-193,222.60

Finding the Fourth Proportional to 508,766.20, 763,148.76 and 193,222.60

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Solution

The fourth proportional to 508,766.20, 763,148.76 and 193,222.60 is: 289,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,766.20 : 763,148.76 = 193,222.60 : x
  2. Step 2: Convert to fraction form
    508,766.20/763,148.76 = 193,222.60/x
  3. Step 3: Cross multiply
    508,766.20x = 763,148.76 × 193,222.60
  4. Step 4: Simplify right side
    508,766.20x = 147,457,587,593.98
  5. Step 5: Solve for x
    x = 147,457,587,593.98/508,766.20
  6. Step 6: Final answer
    x = 289,833.69

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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.