Home / 383,869.58-529,845.45-222,776.51

Finding the Fourth Proportional to 383,869.58, 529,845.45 and 222,776.51

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Solution

The fourth proportional to 383,869.58, 529,845.45 and 222,776.51 is: 307,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,869.58 : 529,845.45 = 222,776.51 : x
  2. Step 2: Convert to fraction form
    383,869.58/529,845.45 = 222,776.51/x
  3. Step 3: Cross multiply
    383,869.58x = 529,845.45 × 222,776.51
  4. Step 4: Simplify right side
    383,869.58x = 118,037,120,190.38
  5. Step 5: Solve for x
    x = 118,037,120,190.38/383,869.58
  6. Step 6: Final answer
    x = 307,492.77

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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.