Home / 468,463.28-646,481.39-253,603.35

Finding the Fourth Proportional to 468,463.28, 646,481.39 and 253,603.35

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Solution

The fourth proportional to 468,463.28, 646,481.39 and 253,603.35 is: 349,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,463.28 : 646,481.39 = 253,603.35 : x
  2. Step 2: Convert to fraction form
    468,463.28/646,481.39 = 253,603.35/x
  3. Step 3: Cross multiply
    468,463.28x = 646,481.39 × 253,603.35
  4. Step 4: Simplify right side
    468,463.28x = 163,949,844,948.64
  5. Step 5: Solve for x
    x = 163,949,844,948.64/468,463.28
  6. Step 6: Final answer
    x = 349,973.74

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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.