Home / 589,749.30-884,429.55-215,723.70

Finding the Fourth Proportional to 589,749.30, 884,429.55 and 215,723.70

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Solution

The fourth proportional to 589,749.30, 884,429.55 and 215,723.70 is: 323,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,749.30 : 884,429.55 = 215,723.70 : x
  2. Step 2: Convert to fraction form
    589,749.30/884,429.55 = 215,723.70/x
  3. Step 3: Cross multiply
    589,749.30x = 884,429.55 × 215,723.70
  4. Step 4: Simplify right side
    589,749.30x = 190,792,414,915.34
  5. Step 5: Solve for x
    x = 190,792,414,915.34/589,749.30
  6. Step 6: Final answer
    x = 323,514.44

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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.