Home / 885,889.14-1,222,101.82-579,830.78

Finding the Fourth Proportional to 885,889.14, 1,222,101.82 and 579,830.78

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Solution

The fourth proportional to 885,889.14, 1,222,101.82 and 579,830.78 is: 799,888.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,889.14 : 1,222,101.82 = 579,830.78 : x
  2. Step 2: Convert to fraction form
    885,889.14/1,222,101.82 = 579,830.78/x
  3. Step 3: Cross multiply
    885,889.14x = 1,222,101.82 × 579,830.78
  4. Step 4: Simplify right side
    885,889.14x = 708,612,251,530.02
  5. Step 5: Solve for x
    x = 708,612,251,530.02/885,889.14
  6. Step 6: Final answer
    x = 799,888.18

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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.