Home / 1,440,208.68-1,987,544.82-828,360.46

Finding the Fourth Proportional to 1,440,208.68, 1,987,544.82 and 828,360.46

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Solution

The fourth proportional to 1,440,208.68, 1,987,544.82 and 828,360.46 is: 1,143,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,208.68 : 1,987,544.82 = 828,360.46 : x
  2. Step 2: Convert to fraction form
    1,440,208.68/1,987,544.82 = 828,360.46/x
  3. Step 3: Cross multiply
    1,440,208.68x = 1,987,544.82 × 828,360.46
  4. Step 4: Simplify right side
    1,440,208.68x = 1,646,403,541,365.82
  5. Step 5: Solve for x
    x = 1,646,403,541,365.82/1,440,208.68
  6. Step 6: Final answer
    x = 1,143,170.13

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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.