Home / 638,001.26-957,001.87-188,687.17

Finding the Fourth Proportional to 638,001.26, 957,001.87 and 188,687.17

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Solution

The fourth proportional to 638,001.26, 957,001.87 and 188,687.17 is: 283,030.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,001.26 : 957,001.87 = 188,687.17 : x
  2. Step 2: Convert to fraction form
    638,001.26/957,001.87 = 188,687.17/x
  3. Step 3: Cross multiply
    638,001.26x = 957,001.87 × 188,687.17
  4. Step 4: Simplify right side
    638,001.26x = 180,573,974,535.01
  5. Step 5: Solve for x
    x = 180,573,974,535.01/638,001.26
  6. Step 6: Final answer
    x = 283,030.75

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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.