Home / 638,198.33-880,939.26-570,097.04

Finding the Fourth Proportional to 638,198.33, 880,939.26 and 570,097.04

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Solution

The fourth proportional to 638,198.33, 880,939.26 and 570,097.04 is: 786,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,198.33 : 880,939.26 = 570,097.04 : x
  2. Step 2: Convert to fraction form
    638,198.33/880,939.26 = 570,097.04/x
  3. Step 3: Cross multiply
    638,198.33x = 880,939.26 × 570,097.04
  4. Step 4: Simplify right side
    638,198.33x = 502,220,860,141.09
  5. Step 5: Solve for x
    x = 502,220,860,141.09/638,198.33
  6. Step 6: Final answer
    x = 786,935.41

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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.