Home / 1,185,691.59-1,777,447.53-427,347.47

Finding the Fourth Proportional to 1,185,691.59, 1,777,447.53 and 427,347.47

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Solution

The fourth proportional to 1,185,691.59, 1,777,447.53 and 427,347.47 is: 640,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,691.59 : 1,777,447.53 = 427,347.47 : x
  2. Step 2: Convert to fraction form
    1,185,691.59/1,777,447.53 = 427,347.47/x
  3. Step 3: Cross multiply
    1,185,691.59x = 1,777,447.53 × 427,347.47
  4. Step 4: Simplify right side
    1,185,691.59x = 759,587,696,116.01
  5. Step 5: Solve for x
    x = 759,587,696,116.01/1,185,691.59
  6. Step 6: Final answer
    x = 640,628.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.