Home / 492,224.20-738,117.60-192,605.20

Finding the Fourth Proportional to 492,224.20, 738,117.60 and 192,605.20

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Solution

The fourth proportional to 492,224.20, 738,117.60 and 192,605.20 is: 288,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,224.20 : 738,117.60 = 192,605.20 : x
  2. Step 2: Convert to fraction form
    492,224.20/738,117.60 = 192,605.20/x
  3. Step 3: Cross multiply
    492,224.20x = 738,117.60 × 192,605.20
  4. Step 4: Simplify right side
    492,224.20x = 142,165,287,971.52
  5. Step 5: Solve for x
    x = 142,165,287,971.52/492,224.20
  6. Step 6: Final answer
    x = 288,822.22

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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.