Home / 864,108.73-1,192,279.12-501,322.33

Finding the Fourth Proportional to 864,108.73, 1,192,279.12 and 501,322.33

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Solution

The fourth proportional to 864,108.73, 1,192,279.12 and 501,322.33 is: 691,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,108.73 : 1,192,279.12 = 501,322.33 : x
  2. Step 2: Convert to fraction form
    864,108.73/1,192,279.12 = 501,322.33/x
  3. Step 3: Cross multiply
    864,108.73x = 1,192,279.12 × 501,322.33
  4. Step 4: Simplify right side
    864,108.73x = 597,716,146,448.75
  5. Step 5: Solve for x
    x = 597,716,146,448.75/864,108.73
  6. Step 6: Final answer
    x = 691,714.05

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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.