Home / 538,921.92-743,699.92-297,197.60

Finding the Fourth Proportional to 538,921.92, 743,699.92 and 297,197.60

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Solution

The fourth proportional to 538,921.92, 743,699.92 and 297,197.60 is: 410,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,921.92 : 743,699.92 = 297,197.60 : x
  2. Step 2: Convert to fraction form
    538,921.92/743,699.92 = 297,197.60/x
  3. Step 3: Cross multiply
    538,921.92x = 743,699.92 × 297,197.60
  4. Step 4: Simplify right side
    538,921.92x = 221,025,831,344.19
  5. Step 5: Solve for x
    x = 221,025,831,344.19/538,921.92
  6. Step 6: Final answer
    x = 410,125.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.