Home / 1,691,859.26-2,334,783.75-917,491.61

Finding the Fourth Proportional to 1,691,859.26, 2,334,783.75 and 917,491.61

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Solution

The fourth proportional to 1,691,859.26, 2,334,783.75 and 917,491.61 is: 1,266,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,859.26 : 2,334,783.75 = 917,491.61 : x
  2. Step 2: Convert to fraction form
    1,691,859.26/2,334,783.75 = 917,491.61/x
  3. Step 3: Cross multiply
    1,691,859.26x = 2,334,783.75 × 917,491.61
  4. Step 4: Simplify right side
    1,691,859.26x = 2,142,144,501,789.34
  5. Step 5: Solve for x
    x = 2,142,144,501,789.34/1,691,859.26
  6. Step 6: Final answer
    x = 1,266,148.17

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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.