Home / 317,790.38-438,589.61-183,654.38

Finding the Fourth Proportional to 317,790.38, 438,589.61 and 183,654.38

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Solution

The fourth proportional to 317,790.38, 438,589.61 and 183,654.38 is: 253,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,790.38 : 438,589.61 = 183,654.38 : x
  2. Step 2: Convert to fraction form
    317,790.38/438,589.61 = 183,654.38/x
  3. Step 3: Cross multiply
    317,790.38x = 438,589.61 × 183,654.38
  4. Step 4: Simplify right side
    317,790.38x = 80,548,899,787.77
  5. Step 5: Solve for x
    x = 80,548,899,787.77/317,790.38
  6. Step 6: Final answer
    x = 253,465.51

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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.