Home / 535,916.28-803,262.90-215,863.29

Finding the Fourth Proportional to 535,916.28, 803,262.90 and 215,863.29

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Solution

The fourth proportional to 535,916.28, 803,262.90 and 215,863.29 is: 323,548.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,916.28 : 803,262.90 = 215,863.29 : x
  2. Step 2: Convert to fraction form
    535,916.28/803,262.90 = 215,863.29/x
  3. Step 3: Cross multiply
    535,916.28x = 803,262.90 × 215,863.29
  4. Step 4: Simplify right side
    535,916.28x = 173,394,972,328.94
  5. Step 5: Solve for x
    x = 173,394,972,328.94/535,916.28
  6. Step 6: Final answer
    x = 323,548.62

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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.