Home / 465,008.04-641,906.10-314,309.16

Finding the Fourth Proportional to 465,008.04, 641,906.10 and 314,309.16

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Solution

The fourth proportional to 465,008.04, 641,906.10 and 314,309.16 is: 433,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,008.04 : 641,906.10 = 314,309.16 : x
  2. Step 2: Convert to fraction form
    465,008.04/641,906.10 = 314,309.16/x
  3. Step 3: Cross multiply
    465,008.04x = 641,906.10 × 314,309.16
  4. Step 4: Simplify right side
    465,008.04x = 201,756,967,089.88
  5. Step 5: Solve for x
    x = 201,756,967,089.88/465,008.04
  6. Step 6: Final answer
    x = 433,878.45

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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.