Home / 465,266.28-642,090.69-261,306.66

Finding the Fourth Proportional to 465,266.28, 642,090.69 and 261,306.66

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Solution

The fourth proportional to 465,266.28, 642,090.69 and 261,306.66 is: 360,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,266.28 : 642,090.69 = 261,306.66 : x
  2. Step 2: Convert to fraction form
    465,266.28/642,090.69 = 261,306.66/x
  3. Step 3: Cross multiply
    465,266.28x = 642,090.69 × 261,306.66
  4. Step 4: Simplify right side
    465,266.28x = 167,782,573,621.00
  5. Step 5: Solve for x
    x = 167,782,573,621.00/465,266.28
  6. Step 6: Final answer
    x = 360,616.23

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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.