Home / 474,845.70-655,287.16-259,985.82

Finding the Fourth Proportional to 474,845.70, 655,287.16 and 259,985.82

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Solution

The fourth proportional to 474,845.70, 655,287.16 and 259,985.82 is: 358,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,845.70 : 655,287.16 = 259,985.82 : x
  2. Step 2: Convert to fraction form
    474,845.70/655,287.16 = 259,985.82/x
  3. Step 3: Cross multiply
    474,845.70x = 655,287.16 × 259,985.82
  4. Step 4: Simplify right side
    474,845.70x = 170,365,369,628.07
  5. Step 5: Solve for x
    x = 170,365,369,628.07/474,845.70
  6. Step 6: Final answer
    x = 358,780.48

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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.