Home / 588,099.75-811,278.39-384,269.82

Finding the Fourth Proportional to 588,099.75, 811,278.39 and 384,269.82

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Solution

The fourth proportional to 588,099.75, 811,278.39 and 384,269.82 is: 530,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,099.75 : 811,278.39 = 384,269.82 : x
  2. Step 2: Convert to fraction form
    588,099.75/811,278.39 = 384,269.82/x
  3. Step 3: Cross multiply
    588,099.75x = 811,278.39 × 384,269.82
  4. Step 4: Simplify right side
    588,099.75x = 311,749,800,895.19
  5. Step 5: Solve for x
    x = 311,749,800,895.19/588,099.75
  6. Step 6: Final answer
    x = 530,096.81

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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.