Home / 456,135.04-629,418.12-252,153.10

Finding the Fourth Proportional to 456,135.04, 629,418.12 and 252,153.10

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Solution

The fourth proportional to 456,135.04, 629,418.12 and 252,153.10 is: 347,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,135.04 : 629,418.12 = 252,153.10 : x
  2. Step 2: Convert to fraction form
    456,135.04/629,418.12 = 252,153.10/x
  3. Step 3: Cross multiply
    456,135.04x = 629,418.12 × 252,153.10
  4. Step 4: Simplify right side
    456,135.04x = 158,709,730,154.17
  5. Step 5: Solve for x
    x = 158,709,730,154.17/456,135.04
  6. Step 6: Final answer
    x = 347,944.61

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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.