Home / 468,818.30-646,972.35-253,958.36

Finding the Fourth Proportional to 468,818.30, 646,972.35 and 253,958.36

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Solution

The fourth proportional to 468,818.30, 646,972.35 and 253,958.36 is: 350,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,818.30 : 646,972.35 = 253,958.36 : x
  2. Step 2: Convert to fraction form
    468,818.30/646,972.35 = 253,958.36/x
  3. Step 3: Cross multiply
    468,818.30x = 646,972.35 × 253,958.36
  4. Step 4: Simplify right side
    468,818.30x = 164,304,036,971.35
  5. Step 5: Solve for x
    x = 164,304,036,971.35/468,818.30
  6. Step 6: Final answer
    x = 350,464.21

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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.