Home / 455,943.54-629,182.51-251,983.92

Finding the Fourth Proportional to 455,943.54, 629,182.51 and 251,983.92

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Solution

The fourth proportional to 455,943.54, 629,182.51 and 251,983.92 is: 347,726.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,943.54 : 629,182.51 = 251,983.92 : x
  2. Step 2: Convert to fraction form
    455,943.54/629,182.51 = 251,983.92/x
  3. Step 3: Cross multiply
    455,943.54x = 629,182.51 × 251,983.92
  4. Step 4: Simplify right side
    455,943.54x = 158,543,875,265.24
  5. Step 5: Solve for x
    x = 158,543,875,265.24/455,943.54
  6. Step 6: Final answer
    x = 347,726.99

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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.