Home / 486,452.07-671,110.56-325,051.47

Finding the Fourth Proportional to 486,452.07, 671,110.56 and 325,051.47

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Solution

The fourth proportional to 486,452.07, 671,110.56 and 325,051.47 is: 448,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,452.07 : 671,110.56 = 325,051.47 : x
  2. Step 2: Convert to fraction form
    486,452.07/671,110.56 = 325,051.47/x
  3. Step 3: Cross multiply
    486,452.07x = 671,110.56 × 325,051.47
  4. Step 4: Simplify right side
    486,452.07x = 218,145,474,060.52
  5. Step 5: Solve for x
    x = 218,145,474,060.52/486,452.07
  6. Step 6: Final answer
    x = 448,441.87

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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.