Home / 468,142.20-646,036.38-253,282.14

Finding the Fourth Proportional to 468,142.20, 646,036.38 and 253,282.14

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Solution

The fourth proportional to 468,142.20, 646,036.38 and 253,282.14 is: 349,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,142.20 : 646,036.38 = 253,282.14 : x
  2. Step 2: Convert to fraction form
    468,142.20/646,036.38 = 253,282.14/x
  3. Step 3: Cross multiply
    468,142.20x = 646,036.38 × 253,282.14
  4. Step 4: Simplify right side
    468,142.20x = 163,629,476,844.25
  5. Step 5: Solve for x
    x = 163,629,476,844.25/468,142.20
  6. Step 6: Final answer
    x = 349,529.43

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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.