Home / 619,057.60-928,849.08-338,246.80

Finding the Fourth Proportional to 619,057.60, 928,849.08 and 338,246.80

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Solution

The fourth proportional to 619,057.60, 928,849.08 and 338,246.80 is: 507,513.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,057.60 : 928,849.08 = 338,246.80 : x
  2. Step 2: Convert to fraction form
    619,057.60/928,849.08 = 338,246.80/x
  3. Step 3: Cross multiply
    619,057.60x = 928,849.08 × 338,246.80
  4. Step 4: Simplify right side
    619,057.60x = 314,180,228,992.94
  5. Step 5: Solve for x
    x = 314,180,228,992.94/619,057.60
  6. Step 6: Final answer
    x = 507,513.73

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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.