Home / 1,254,842.57-1,731,681.42-681,881.37

Finding the Fourth Proportional to 1,254,842.57, 1,731,681.42 and 681,881.37

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Solution

The fourth proportional to 1,254,842.57, 1,731,681.42 and 681,881.37 is: 940,995.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,842.57 : 1,731,681.42 = 681,881.37 : x
  2. Step 2: Convert to fraction form
    1,254,842.57/1,731,681.42 = 681,881.37/x
  3. Step 3: Cross multiply
    1,254,842.57x = 1,731,681.42 × 681,881.37
  4. Step 4: Simplify right side
    1,254,842.57x = 1,180,801,299,073.15
  5. Step 5: Solve for x
    x = 1,180,801,299,073.15/1,254,842.57
  6. Step 6: Final answer
    x = 940,995.57

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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.