Home / 603,945.14-905,253.39-248,765.40

Finding the Fourth Proportional to 603,945.14, 905,253.39 and 248,765.40

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Solution

The fourth proportional to 603,945.14, 905,253.39 and 248,765.40 is: 372,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,945.14 : 905,253.39 = 248,765.40 : x
  2. Step 2: Convert to fraction form
    603,945.14/905,253.39 = 248,765.40/x
  3. Step 3: Cross multiply
    603,945.14x = 905,253.39 × 248,765.40
  4. Step 4: Simplify right side
    603,945.14x = 225,195,721,664.71
  5. Step 5: Solve for x
    x = 225,195,721,664.71/603,945.14
  6. Step 6: Final answer
    x = 372,874.47

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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.