Home / 513,195.15-769,569.96-197,430.42

Finding the Fourth Proportional to 513,195.15, 769,569.96 and 197,430.42

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Solution

The fourth proportional to 513,195.15, 769,569.96 and 197,430.42 is: 296,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,195.15 : 769,569.96 = 197,430.42 : x
  2. Step 2: Convert to fraction form
    513,195.15/769,569.96 = 197,430.42/x
  3. Step 3: Cross multiply
    513,195.15x = 769,569.96 × 197,430.42
  4. Step 4: Simplify right side
    513,195.15x = 151,936,520,422.18
  5. Step 5: Solve for x
    x = 151,936,520,422.18/513,195.15
  6. Step 6: Final answer
    x = 296,059.93

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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.