Home / 465,496.46-642,345.35-261,531.37

Finding the Fourth Proportional to 465,496.46, 642,345.35 and 261,531.37

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Solution

The fourth proportional to 465,496.46, 642,345.35 and 261,531.37 is: 360,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,496.46 : 642,345.35 = 261,531.37 : x
  2. Step 2: Convert to fraction form
    465,496.46/642,345.35 = 261,531.37/x
  3. Step 3: Cross multiply
    465,496.46x = 642,345.35 × 261,531.37
  4. Step 4: Simplify right side
    465,496.46x = 167,993,459,398.63
  5. Step 5: Solve for x
    x = 167,993,459,398.63/465,496.46
  6. Step 6: Final answer
    x = 360,890.95

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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.