Home / 588,808.20-882,305.10-438,342.60

Finding the Fourth Proportional to 588,808.20, 882,305.10 and 438,342.60

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Solution

The fourth proportional to 588,808.20, 882,305.10 and 438,342.60 is: 656,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,808.20 : 882,305.10 = 438,342.60 : x
  2. Step 2: Convert to fraction form
    588,808.20/882,305.10 = 438,342.60/x
  3. Step 3: Cross multiply
    588,808.20x = 882,305.10 × 438,342.60
  4. Step 4: Simplify right side
    588,808.20x = 386,751,911,527.26
  5. Step 5: Solve for x
    x = 386,751,911,527.26/588,808.20
  6. Step 6: Final answer
    x = 656,838.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.