Home / 468,240.19-646,172.04-253,380.25

Finding the Fourth Proportional to 468,240.19, 646,172.04 and 253,380.25

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Solution

The fourth proportional to 468,240.19, 646,172.04 and 253,380.25 is: 349,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,240.19 : 646,172.04 = 253,380.25 : x
  2. Step 2: Convert to fraction form
    468,240.19/646,172.04 = 253,380.25/x
  3. Step 3: Cross multiply
    468,240.19x = 646,172.04 × 253,380.25
  4. Step 4: Simplify right side
    468,240.19x = 163,727,233,112.54
  5. Step 5: Solve for x
    x = 163,727,233,112.54/468,240.19
  6. Step 6: Final answer
    x = 349,665.06

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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.