Home / 455,790.29-629,020.22-251,841.23

Finding the Fourth Proportional to 455,790.29, 629,020.22 and 251,841.23

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Solution

The fourth proportional to 455,790.29, 629,020.22 and 251,841.23 is: 347,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,790.29 : 629,020.22 = 251,841.23 : x
  2. Step 2: Convert to fraction form
    455,790.29/629,020.22 = 251,841.23/x
  3. Step 3: Cross multiply
    455,790.29x = 629,020.22 × 251,841.23
  4. Step 4: Simplify right side
    455,790.29x = 158,413,225,899.67
  5. Step 5: Solve for x
    x = 158,413,225,899.67/455,790.29
  6. Step 6: Final answer
    x = 347,557.26

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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.