Home / 383,733.39-529,539.01-211,658.18

Finding the Fourth Proportional to 383,733.39, 529,539.01 and 211,658.18

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Solution

The fourth proportional to 383,733.39, 529,539.01 and 211,658.18 is: 292,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,733.39 : 529,539.01 = 211,658.18 : x
  2. Step 2: Convert to fraction form
    383,733.39/529,539.01 = 211,658.18/x
  3. Step 3: Cross multiply
    383,733.39x = 529,539.01 × 211,658.18
  4. Step 4: Simplify right side
    383,733.39x = 112,081,263,095.60
  5. Step 5: Solve for x
    x = 112,081,263,095.60/383,733.39
  6. Step 6: Final answer
    x = 292,081.08

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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.