Home / 412,404.96-618,818.04-196,507.56

Finding the Fourth Proportional to 412,404.96, 618,818.04 and 196,507.56

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Solution

The fourth proportional to 412,404.96, 618,818.04 and 196,507.56 is: 294,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,404.96 : 618,818.04 = 196,507.56 : x
  2. Step 2: Convert to fraction form
    412,404.96/618,818.04 = 196,507.56/x
  3. Step 3: Cross multiply
    412,404.96x = 618,818.04 × 196,507.56
  4. Step 4: Simplify right side
    412,404.96x = 121,602,423,124.38
  5. Step 5: Solve for x
    x = 121,602,423,124.38/412,404.96
  6. Step 6: Final answer
    x = 294,861.69

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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.