Home / 383,535.90-529,162.20-222,358.77

Finding the Fourth Proportional to 383,535.90, 529,162.20 and 222,358.77

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Solution

The fourth proportional to 383,535.90, 529,162.20 and 222,358.77 is: 306,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,535.90 : 529,162.20 = 222,358.77 : x
  2. Step 2: Convert to fraction form
    383,535.90/529,162.20 = 222,358.77/x
  3. Step 3: Cross multiply
    383,535.90x = 529,162.20 × 222,358.77
  4. Step 4: Simplify right side
    383,535.90x = 117,663,855,922.49
  5. Step 5: Solve for x
    x = 117,663,855,922.49/383,535.90
  6. Step 6: Final answer
    x = 306,787.07

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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.