Home / 511,936.81-705,319.04-356,741.82

Finding the Fourth Proportional to 511,936.81, 705,319.04 and 356,741.82

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Solution

The fourth proportional to 511,936.81, 705,319.04 and 356,741.82 is: 491,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,936.81 : 705,319.04 = 356,741.82 : x
  2. Step 2: Convert to fraction form
    511,936.81/705,319.04 = 356,741.82/x
  3. Step 3: Cross multiply
    511,936.81x = 705,319.04 × 356,741.82
  4. Step 4: Simplify right side
    511,936.81x = 251,616,798,902.11
  5. Step 5: Solve for x
    x = 251,616,798,902.11/511,936.81
  6. Step 6: Final answer
    x = 491,499.72

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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.