Home / 456,583.34-629,942.19-275,350.70

Finding the Fourth Proportional to 456,583.34, 629,942.19 and 275,350.70

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Solution

The fourth proportional to 456,583.34, 629,942.19 and 275,350.70 is: 379,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,583.34 : 629,942.19 = 275,350.70 : x
  2. Step 2: Convert to fraction form
    456,583.34/629,942.19 = 275,350.70/x
  3. Step 3: Cross multiply
    456,583.34x = 629,942.19 × 275,350.70
  4. Step 4: Simplify right side
    456,583.34x = 173,455,022,976.03
  5. Step 5: Solve for x
    x = 173,455,022,976.03/456,583.34
  6. Step 6: Final answer
    x = 379,897.84

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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.