Home / 456,302.16-683,419.68-219,814.56

Finding the Fourth Proportional to 456,302.16, 683,419.68 and 219,814.56

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Solution

The fourth proportional to 456,302.16, 683,419.68 and 219,814.56 is: 329,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,302.16 : 683,419.68 = 219,814.56 : x
  2. Step 2: Convert to fraction form
    456,302.16/683,419.68 = 219,814.56/x
  3. Step 3: Cross multiply
    456,302.16x = 683,419.68 × 219,814.56
  4. Step 4: Simplify right side
    456,302.16x = 150,225,596,254.54
  5. Step 5: Solve for x
    x = 150,225,596,254.54/456,302.16
  6. Step 6: Final answer
    x = 329,223.94

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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.