Home / 456,581.34-629,939.43-275,348.70

Finding the Fourth Proportional to 456,581.34, 629,939.43 and 275,348.70

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Solution

The fourth proportional to 456,581.34, 629,939.43 and 275,348.70 is: 379,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,581.34 : 629,939.43 = 275,348.70 : x
  2. Step 2: Convert to fraction form
    456,581.34/629,939.43 = 275,348.70/x
  3. Step 3: Cross multiply
    456,581.34x = 629,939.43 × 275,348.70
  4. Step 4: Simplify right side
    456,581.34x = 173,453,003,129.24
  5. Step 5: Solve for x
    x = 173,453,003,129.24/456,581.34
  6. Step 6: Final answer
    x = 379,895.08

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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.