Home / 566,829.79-782,189.22-312,180.97

Finding the Fourth Proportional to 566,829.79, 782,189.22 and 312,180.97

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Solution

The fourth proportional to 566,829.79, 782,189.22 and 312,180.97 is: 430,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,829.79 : 782,189.22 = 312,180.97 : x
  2. Step 2: Convert to fraction form
    566,829.79/782,189.22 = 312,180.97/x
  3. Step 3: Cross multiply
    566,829.79x = 782,189.22 × 312,180.97
  4. Step 4: Simplify right side
    566,829.79x = 244,184,589,423.14
  5. Step 5: Solve for x
    x = 244,184,589,423.14/566,829.79
  6. Step 6: Final answer
    x = 430,789.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.