Home / 468,239.09-646,171.68-253,379.15

Finding the Fourth Proportional to 468,239.09, 646,171.68 and 253,379.15

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Solution

The fourth proportional to 468,239.09, 646,171.68 and 253,379.15 is: 349,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,239.09 : 646,171.68 = 253,379.15 : x
  2. Step 2: Convert to fraction form
    468,239.09/646,171.68 = 253,379.15/x
  3. Step 3: Cross multiply
    468,239.09x = 646,171.68 × 253,379.15
  4. Step 4: Simplify right side
    468,239.09x = 163,726,431,032.47
  5. Step 5: Solve for x
    x = 163,726,431,032.47/468,239.09
  6. Step 6: Final answer
    x = 349,664.17

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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.