Home / 626,453.46-864,922.05-371,886.42

Finding the Fourth Proportional to 626,453.46, 864,922.05 and 371,886.42

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Solution

The fourth proportional to 626,453.46, 864,922.05 and 371,886.42 is: 513,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,453.46 : 864,922.05 = 371,886.42 : x
  2. Step 2: Convert to fraction form
    626,453.46/864,922.05 = 371,886.42/x
  3. Step 3: Cross multiply
    626,453.46x = 864,922.05 × 371,886.42
  4. Step 4: Simplify right side
    626,453.46x = 321,652,764,753.56
  5. Step 5: Solve for x
    x = 321,652,764,753.56/626,453.46
  6. Step 6: Final answer
    x = 513,450.38

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1.5x scale

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.