Home / 1,385,371.60-1,911,794.56-773,534.80

Finding the Fourth Proportional to 1,385,371.60, 1,911,794.56 and 773,534.80

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Solution

The fourth proportional to 1,385,371.60, 1,911,794.56 and 773,534.80 is: 1,067,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,371.60 : 1,911,794.56 = 773,534.80 : x
  2. Step 2: Convert to fraction form
    1,385,371.60/1,911,794.56 = 773,534.80/x
  3. Step 3: Cross multiply
    1,385,371.60x = 1,911,794.56 × 773,534.80
  4. Step 4: Simplify right side
    1,385,371.60x = 1,478,839,622,610.69
  5. Step 5: Solve for x
    x = 1,478,839,622,610.69/1,385,371.60
  6. Step 6: Final answer
    x = 1,067,467.84

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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.