Home / 456,298.27-683,964.75-171,865.76

Finding the Fourth Proportional to 456,298.27, 683,964.75 and 171,865.76

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Solution

The fourth proportional to 456,298.27, 683,964.75 and 171,865.76 is: 257,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,298.27 : 683,964.75 = 171,865.76 : x
  2. Step 2: Convert to fraction form
    456,298.27/683,964.75 = 171,865.76/x
  3. Step 3: Cross multiply
    456,298.27x = 683,964.75 × 171,865.76
  4. Step 4: Simplify right side
    456,298.27x = 117,550,119,511.85
  5. Step 5: Solve for x
    x = 117,550,119,511.85/456,298.27
  6. Step 6: Final answer
    x = 257,616.84

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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.