Home / 455,962.77-629,261.18-252,009.26

Finding the Fourth Proportional to 455,962.77, 629,261.18 and 252,009.26

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Solution

The fourth proportional to 455,962.77, 629,261.18 and 252,009.26 is: 347,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,962.77 : 629,261.18 = 252,009.26 : x
  2. Step 2: Convert to fraction form
    455,962.77/629,261.18 = 252,009.26/x
  3. Step 3: Cross multiply
    455,962.77x = 629,261.18 × 252,009.26
  4. Step 4: Simplify right side
    455,962.77x = 158,579,646,580.41
  5. Step 5: Solve for x
    x = 158,579,646,580.41/455,962.77
  6. Step 6: Final answer
    x = 347,790.78

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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.