Home / 619,040.33-928,822.94-338,229.53

Finding the Fourth Proportional to 619,040.33, 928,822.94 and 338,229.53

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Solution

The fourth proportional to 619,040.33, 928,822.94 and 338,229.53 is: 507,487.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,040.33 : 928,822.94 = 338,229.53 : x
  2. Step 2: Convert to fraction form
    619,040.33/928,822.94 = 338,229.53/x
  3. Step 3: Cross multiply
    619,040.33x = 928,822.94 × 338,229.53
  4. Step 4: Simplify right side
    619,040.33x = 314,155,346,449.42
  5. Step 5: Solve for x
    x = 314,155,346,449.42/619,040.33
  6. Step 6: Final answer
    x = 507,487.69

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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.