Home / 656,104.19-981,933.50-403,544.90

Finding the Fourth Proportional to 656,104.19, 981,933.50 and 403,544.90

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Solution

The fourth proportional to 656,104.19, 981,933.50 and 403,544.90 is: 603,950.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,104.19 : 981,933.50 = 403,544.90 : x
  2. Step 2: Convert to fraction form
    656,104.19/981,933.50 = 403,544.90/x
  3. Step 3: Cross multiply
    656,104.19x = 981,933.50 × 403,544.90
  4. Step 4: Simplify right side
    656,104.19x = 396,254,259,527.85
  5. Step 5: Solve for x
    x = 396,254,259,527.85/656,104.19
  6. Step 6: Final answer
    x = 603,950.21

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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.