Home / 1,334,538.17-1,841,663.64-722,691.59

Finding the Fourth Proportional to 1,334,538.17, 1,841,663.64 and 722,691.59

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Solution

The fourth proportional to 1,334,538.17, 1,841,663.64 and 722,691.59 is: 997,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,538.17 : 1,841,663.64 = 722,691.59 : x
  2. Step 2: Convert to fraction form
    1,334,538.17/1,841,663.64 = 722,691.59/x
  3. Step 3: Cross multiply
    1,334,538.17x = 1,841,663.64 × 722,691.59
  4. Step 4: Simplify right side
    1,334,538.17x = 1,330,954,815,028.47
  5. Step 5: Solve for x
    x = 1,330,954,815,028.47/1,334,538.17
  6. Step 6: Final answer
    x = 997,314.91

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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.