Home / 474,736.47-655,136.28-259,876.68

Finding the Fourth Proportional to 474,736.47, 655,136.28 and 259,876.68

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Solution

The fourth proportional to 474,736.47, 655,136.28 and 259,876.68 is: 358,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,736.47 : 655,136.28 = 259,876.68 : x
  2. Step 2: Convert to fraction form
    474,736.47/655,136.28 = 259,876.68/x
  3. Step 3: Cross multiply
    474,736.47x = 655,136.28 × 259,876.68
  4. Step 4: Simplify right side
    474,736.47x = 170,254,641,393.95
  5. Step 5: Solve for x
    x = 170,254,641,393.95/474,736.47
  6. Step 6: Final answer
    x = 358,629.79

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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.