Home / 501,266.08-750,568.92-392,107.60

Finding the Fourth Proportional to 501,266.08, 750,568.92 and 392,107.60

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Solution

The fourth proportional to 501,266.08, 750,568.92 and 392,107.60 is: 587,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,266.08 : 750,568.92 = 392,107.60 : x
  2. Step 2: Convert to fraction form
    501,266.08/750,568.92 = 392,107.60/x
  3. Step 3: Cross multiply
    501,266.08x = 750,568.92 × 392,107.60
  4. Step 4: Simplify right side
    501,266.08x = 294,303,777,855.79
  5. Step 5: Solve for x
    x = 294,303,777,855.79/501,266.08
  6. Step 6: Final answer
    x = 587,120.87

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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.