Home / 588,868.84-812,658.66-320,606.44

Finding the Fourth Proportional to 588,868.84, 812,658.66 and 320,606.44

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Solution

The fourth proportional to 588,868.84, 812,658.66 and 320,606.44 is: 442,447.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,868.84 : 812,658.66 = 320,606.44 : x
  2. Step 2: Convert to fraction form
    588,868.84/812,658.66 = 320,606.44/x
  3. Step 3: Cross multiply
    588,868.84x = 812,658.66 × 320,606.44
  4. Step 4: Simplify right side
    588,868.84x = 260,543,599,917.77
  5. Step 5: Solve for x
    x = 260,543,599,917.77/588,868.84
  6. Step 6: Final answer
    x = 442,447.59

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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.