Home / 619,182.48-928,465.92-198,403.68

Finding the Fourth Proportional to 619,182.48, 928,465.92 and 198,403.68

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Solution

The fourth proportional to 619,182.48, 928,465.92 and 198,403.68 is: 297,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,182.48 : 928,465.92 = 198,403.68 : x
  2. Step 2: Convert to fraction form
    619,182.48/928,465.92 = 198,403.68/x
  3. Step 3: Cross multiply
    619,182.48x = 928,465.92 × 198,403.68
  4. Step 4: Simplify right side
    619,182.48x = 184,211,055,282.59
  5. Step 5: Solve for x
    x = 184,211,055,282.59/619,182.48
  6. Step 6: Final answer
    x = 297,506.89

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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.