Home / 1,287,799.56-1,777,170.36-804,645

Finding the Fourth Proportional to 1,287,799.56, 1,777,170.36 and 804,645

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Solution

The fourth proportional to 1,287,799.56, 1,777,170.36 and 804,645 is: 1,110,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,799.56 : 1,777,170.36 = 804,645 : x
  2. Step 2: Convert to fraction form
    1,287,799.56/1,777,170.36 = 804,645/x
  3. Step 3: Cross multiply
    1,287,799.56x = 1,777,170.36 × 804,645
  4. Step 4: Simplify right side
    1,287,799.56x = 1,429,991,244,322.20
  5. Step 5: Solve for x
    x = 1,429,991,244,322.20/1,287,799.56
  6. Step 6: Final answer
    x = 1,110,414.45

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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.