Home / 383,895.68-529,772.52-211,815.23

Finding the Fourth Proportional to 383,895.68, 529,772.52 and 211,815.23

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Solution

The fourth proportional to 383,895.68, 529,772.52 and 211,815.23 is: 292,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,895.68 : 529,772.52 = 211,815.23 : x
  2. Step 2: Convert to fraction form
    383,895.68/529,772.52 = 211,815.23/x
  3. Step 3: Cross multiply
    383,895.68x = 529,772.52 × 211,815.23
  4. Step 4: Simplify right side
    383,895.68x = 112,213,888,171.48
  5. Step 5: Solve for x
    x = 112,213,888,171.48/383,895.68
  6. Step 6: Final answer
    x = 292,303.08

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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.