Home / 644,197.43-966,099.32-307,060.45

Finding the Fourth Proportional to 644,197.43, 966,099.32 and 307,060.45

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Solution

The fourth proportional to 644,197.43, 966,099.32 and 307,060.45 is: 460,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,197.43 : 966,099.32 = 307,060.45 : x
  2. Step 2: Convert to fraction form
    644,197.43/966,099.32 = 307,060.45/x
  3. Step 3: Cross multiply
    644,197.43x = 966,099.32 × 307,060.45
  4. Step 4: Simplify right side
    644,197.43x = 296,650,885,578.10
  5. Step 5: Solve for x
    x = 296,650,885,578.10/644,197.43
  6. Step 6: Final answer
    x = 460,496.85

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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.