Home / 792,085.45-1,187,653.69-252,108.49

Finding the Fourth Proportional to 792,085.45, 1,187,653.69 and 252,108.49

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Solution

The fourth proportional to 792,085.45, 1,187,653.69 and 252,108.49 is: 378,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,085.45 : 1,187,653.69 = 252,108.49 : x
  2. Step 2: Convert to fraction form
    792,085.45/1,187,653.69 = 252,108.49/x
  3. Step 3: Cross multiply
    792,085.45x = 1,187,653.69 × 252,108.49
  4. Step 4: Simplify right side
    792,085.45x = 299,417,578,428.83
  5. Step 5: Solve for x
    x = 299,417,578,428.83/792,085.45
  6. Step 6: Final answer
    x = 378,011.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.