Home / 1,256,419.44-1,884,599.76-403,489.44

Finding the Fourth Proportional to 1,256,419.44, 1,884,599.76 and 403,489.44

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Solution

The fourth proportional to 1,256,419.44, 1,884,599.76 and 403,489.44 is: 605,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,419.44 : 1,884,599.76 = 403,489.44 : x
  2. Step 2: Convert to fraction form
    1,256,419.44/1,884,599.76 = 403,489.44/x
  3. Step 3: Cross multiply
    1,256,419.44x = 1,884,599.76 × 403,489.44
  4. Step 4: Simplify right side
    1,256,419.44x = 760,416,101,786.53
  5. Step 5: Solve for x
    x = 760,416,101,786.53/1,256,419.44
  6. Step 6: Final answer
    x = 605,224.72

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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.