Home / 1,272,584.40-1,756,167.56-699,634.32

Finding the Fourth Proportional to 1,272,584.40, 1,756,167.56 and 699,634.32

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Solution

The fourth proportional to 1,272,584.40, 1,756,167.56 and 699,634.32 is: 965,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,584.40 : 1,756,167.56 = 699,634.32 : x
  2. Step 2: Convert to fraction form
    1,272,584.40/1,756,167.56 = 699,634.32/x
  3. Step 3: Cross multiply
    1,272,584.40x = 1,756,167.56 × 699,634.32
  4. Step 4: Simplify right side
    1,272,584.40x = 1,228,675,096,646.66
  5. Step 5: Solve for x
    x = 1,228,675,096,646.66/1,272,584.40
  6. Step 6: Final answer
    x = 965,495.96

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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.