Home / 443,535.32-612,078.96-239,586.22

Finding the Fourth Proportional to 443,535.32, 612,078.96 and 239,586.22

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Solution

The fourth proportional to 443,535.32, 612,078.96 and 239,586.22 is: 330,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,535.32 : 612,078.96 = 239,586.22 : x
  2. Step 2: Convert to fraction form
    443,535.32/612,078.96 = 239,586.22/x
  3. Step 3: Cross multiply
    443,535.32x = 612,078.96 × 239,586.22
  4. Step 4: Simplify right side
    443,535.32x = 146,645,684,367.93
  5. Step 5: Solve for x
    x = 146,645,684,367.93/443,535.32
  6. Step 6: Final answer
    x = 330,629.10

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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.