Home / 383,948.40-529,819.59-211,873.23

Finding the Fourth Proportional to 383,948.40, 529,819.59 and 211,873.23

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Solution

The fourth proportional to 383,948.40, 529,819.59 and 211,873.23 is: 292,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,948.40 : 529,819.59 = 211,873.23 : x
  2. Step 2: Convert to fraction form
    383,948.40/529,819.59 = 211,873.23/x
  3. Step 3: Cross multiply
    383,948.40x = 529,819.59 × 211,873.23
  4. Step 4: Simplify right side
    383,948.40x = 112,254,587,850.58
  5. Step 5: Solve for x
    x = 112,254,587,850.58/383,948.40
  6. Step 6: Final answer
    x = 292,368.94

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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.