Home / 383,826.23-529,678.65-211,754.89

Finding the Fourth Proportional to 383,826.23, 529,678.65 and 211,754.89

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Solution

The fourth proportional to 383,826.23, 529,678.65 and 211,754.89 is: 292,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,826.23 : 529,678.65 = 211,754.89 : x
  2. Step 2: Convert to fraction form
    383,826.23/529,678.65 = 211,754.89/x
  3. Step 3: Cross multiply
    383,826.23x = 529,678.65 × 211,754.89
  4. Step 4: Simplify right side
    383,826.23x = 112,162,044,266.10
  5. Step 5: Solve for x
    x = 112,162,044,266.10/383,826.23
  6. Step 6: Final answer
    x = 292,220.89

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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.