Home / 1,254,399.48-1,731,061.80-681,443.82

Finding the Fourth Proportional to 1,254,399.48, 1,731,061.80 and 681,443.82

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Solution

The fourth proportional to 1,254,399.48, 1,731,061.80 and 681,443.82 is: 940,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,399.48 : 1,731,061.80 = 681,443.82 : x
  2. Step 2: Convert to fraction form
    1,254,399.48/1,731,061.80 = 681,443.82/x
  3. Step 3: Cross multiply
    1,254,399.48x = 1,731,061.80 × 681,443.82
  4. Step 4: Simplify right side
    1,254,399.48x = 1,179,621,365,648.08
  5. Step 5: Solve for x
    x = 1,179,621,365,648.08/1,254,399.48
  6. Step 6: Final answer
    x = 940,387.32

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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.