Home / 1,236,709.88-1,706,272.26-692,772.20

Finding the Fourth Proportional to 1,236,709.88, 1,706,272.26 and 692,772.20

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Solution

The fourth proportional to 1,236,709.88, 1,706,272.26 and 692,772.20 is: 955,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,709.88 : 1,706,272.26 = 692,772.20 : x
  2. Step 2: Convert to fraction form
    1,236,709.88/1,706,272.26 = 692,772.20/x
  3. Step 3: Cross multiply
    1,236,709.88x = 1,706,272.26 × 692,772.20
  4. Step 4: Simplify right side
    1,236,709.88x = 1,182,057,987,359.17
  5. Step 5: Solve for x
    x = 1,182,057,987,359.17/1,236,709.88
  6. Step 6: Final answer
    x = 955,808.64

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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.