Home / 383,424.10-529,127.04-220,067.35

Finding the Fourth Proportional to 383,424.10, 529,127.04 and 220,067.35

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Solution

The fourth proportional to 383,424.10, 529,127.04 and 220,067.35 is: 303,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,424.10 : 529,127.04 = 220,067.35 : x
  2. Step 2: Convert to fraction form
    383,424.10/529,127.04 = 220,067.35/x
  3. Step 3: Cross multiply
    383,424.10x = 529,127.04 × 220,067.35
  4. Step 4: Simplify right side
    383,424.10x = 116,443,585,506.14
  5. Step 5: Solve for x
    x = 116,443,585,506.14/383,424.10
  6. Step 6: Final answer
    x = 303,693.97

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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.