Home / 476,818.72-657,844.40-304,837.36

Finding the Fourth Proportional to 476,818.72, 657,844.40 and 304,837.36

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Solution

The fourth proportional to 476,818.72, 657,844.40 and 304,837.36 is: 420,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,818.72 : 657,844.40 = 304,837.36 : x
  2. Step 2: Convert to fraction form
    476,818.72/657,844.40 = 304,837.36/x
  3. Step 3: Cross multiply
    476,818.72x = 657,844.40 × 304,837.36
  4. Step 4: Simplify right side
    476,818.72x = 200,535,550,186.78
  5. Step 5: Solve for x
    x = 200,535,550,186.78/476,818.72
  6. Step 6: Final answer
    x = 420,569.79

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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.