Home / 699,080.19-964,721.46-393,156.46

Finding the Fourth Proportional to 699,080.19, 964,721.46 and 393,156.46

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Solution

The fourth proportional to 699,080.19, 964,721.46 and 393,156.46 is: 542,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,080.19 : 964,721.46 = 393,156.46 : x
  2. Step 2: Convert to fraction form
    699,080.19/964,721.46 = 393,156.46/x
  3. Step 3: Cross multiply
    699,080.19x = 964,721.46 × 393,156.46
  4. Step 4: Simplify right side
    699,080.19x = 379,286,474,099.63
  5. Step 5: Solve for x
    x = 379,286,474,099.63/699,080.19
  6. Step 6: Final answer
    x = 542,550.74

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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.