Home / 705,961.14-1,058,345.79-306,300.66

Finding the Fourth Proportional to 705,961.14, 1,058,345.79 and 306,300.66

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Solution

The fourth proportional to 705,961.14, 1,058,345.79 and 306,300.66 is: 459,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,961.14 : 1,058,345.79 = 306,300.66 : x
  2. Step 2: Convert to fraction form
    705,961.14/1,058,345.79 = 306,300.66/x
  3. Step 3: Cross multiply
    705,961.14x = 1,058,345.79 × 306,300.66
  4. Step 4: Simplify right side
    705,961.14x = 324,172,013,985.22
  5. Step 5: Solve for x
    x = 324,172,013,985.22/705,961.14
  6. Step 6: Final answer
    x = 459,192.43

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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.