Home / 329,288.34-454,438.90-201,946.62

Finding the Fourth Proportional to 329,288.34, 454,438.90 and 201,946.62

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Solution

The fourth proportional to 329,288.34, 454,438.90 and 201,946.62 is: 278,699.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,288.34 : 454,438.90 = 201,946.62 : x
  2. Step 2: Convert to fraction form
    329,288.34/454,438.90 = 201,946.62/x
  3. Step 3: Cross multiply
    329,288.34x = 454,438.90 × 201,946.62
  4. Step 4: Simplify right side
    329,288.34x = 91,772,399,851.52
  5. Step 5: Solve for x
    x = 91,772,399,851.52/329,288.34
  6. Step 6: Final answer
    x = 278,699.21

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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.