Home / 699,257.14-964,701.57-393,263.34

Finding the Fourth Proportional to 699,257.14, 964,701.57 and 393,263.34

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Solution

The fourth proportional to 699,257.14, 964,701.57 and 393,263.34 is: 542,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,257.14 : 964,701.57 = 393,263.34 : x
  2. Step 2: Convert to fraction form
    699,257.14/964,701.57 = 393,263.34/x
  3. Step 3: Cross multiply
    699,257.14x = 964,701.57 × 393,263.34
  4. Step 4: Simplify right side
    699,257.14x = 379,381,761,521.44
  5. Step 5: Solve for x
    x = 379,381,761,521.44/699,257.14
  6. Step 6: Final answer
    x = 542,549.71

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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.