Home / 468,645.88-646,731.66-253,786.18

Finding the Fourth Proportional to 468,645.88, 646,731.66 and 253,786.18

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Solution

The fourth proportional to 468,645.88, 646,731.66 and 253,786.18 is: 350,225.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,645.88 : 646,731.66 = 253,786.18 : x
  2. Step 2: Convert to fraction form
    468,645.88/646,731.66 = 253,786.18/x
  3. Step 3: Cross multiply
    468,645.88x = 646,731.66 × 253,786.18
  4. Step 4: Simplify right side
    468,645.88x = 164,131,557,476.46
  5. Step 5: Solve for x
    x = 164,131,557,476.46/468,645.88
  6. Step 6: Final answer
    x = 350,225.12

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1.5x scale

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.