Home / 1,205,282.14-1,663,309.77-661,468.53

Finding the Fourth Proportional to 1,205,282.14, 1,663,309.77 and 661,468.53

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Solution

The fourth proportional to 1,205,282.14, 1,663,309.77 and 661,468.53 is: 912,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,282.14 : 1,663,309.77 = 661,468.53 : x
  2. Step 2: Convert to fraction form
    1,205,282.14/1,663,309.77 = 661,468.53/x
  3. Step 3: Cross multiply
    1,205,282.14x = 1,663,309.77 × 661,468.53
  4. Step 4: Simplify right side
    1,205,282.14x = 1,100,227,068,496.54
  5. Step 5: Solve for x
    x = 1,100,227,068,496.54/1,205,282.14
  6. Step 6: Final answer
    x = 912,837.78

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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.