Home / 794,530.89-1,096,473.78-431,979.21

Finding the Fourth Proportional to 794,530.89, 1,096,473.78 and 431,979.21

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Solution

The fourth proportional to 794,530.89, 1,096,473.78 and 431,979.21 is: 596,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,530.89 : 1,096,473.78 = 431,979.21 : x
  2. Step 2: Convert to fraction form
    794,530.89/1,096,473.78 = 431,979.21/x
  3. Step 3: Cross multiply
    794,530.89x = 1,096,473.78 × 431,979.21
  4. Step 4: Simplify right side
    794,530.89x = 473,653,877,270.11
  5. Step 5: Solve for x
    x = 473,653,877,270.11/794,530.89
  6. Step 6: Final answer
    x = 596,142.81

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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.