Home / 885,895.14-1,222,110.10-579,836.78

Finding the Fourth Proportional to 885,895.14, 1,222,110.10 and 579,836.78

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Solution

The fourth proportional to 885,895.14, 1,222,110.10 and 579,836.78 is: 799,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,895.14 : 1,222,110.10 = 579,836.78 : x
  2. Step 2: Convert to fraction form
    885,895.14/1,222,110.10 = 579,836.78/x
  3. Step 3: Cross multiply
    885,895.14x = 1,222,110.10 × 579,836.78
  4. Step 4: Simplify right side
    885,895.14x = 708,624,385,189.48
  5. Step 5: Solve for x
    x = 708,624,385,189.48/885,895.14
  6. Step 6: Final answer
    x = 799,896.46

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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.