Home / 398,933.15-550,452.42-237,803.24

Finding the Fourth Proportional to 398,933.15, 550,452.42 and 237,803.24

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Solution

The fourth proportional to 398,933.15, 550,452.42 and 237,803.24 is: 328,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,933.15 : 550,452.42 = 237,803.24 : x
  2. Step 2: Convert to fraction form
    398,933.15/550,452.42 = 237,803.24/x
  3. Step 3: Cross multiply
    398,933.15x = 550,452.42 × 237,803.24
  4. Step 4: Simplify right side
    398,933.15x = 130,899,368,941.84
  5. Step 5: Solve for x
    x = 130,899,368,941.84/398,933.15
  6. Step 6: Final answer
    x = 328,123.57

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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.