Home / 466,020.66-643,131.70-262,135.74

Finding the Fourth Proportional to 466,020.66, 643,131.70 and 262,135.74

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Solution

The fourth proportional to 466,020.66, 643,131.70 and 262,135.74 is: 361,760.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,020.66 : 643,131.70 = 262,135.74 : x
  2. Step 2: Convert to fraction form
    466,020.66/643,131.70 = 262,135.74/x
  3. Step 3: Cross multiply
    466,020.66x = 643,131.70 × 262,135.74
  4. Step 4: Simplify right side
    466,020.66x = 168,587,804,096.96
  5. Step 5: Solve for x
    x = 168,587,804,096.96/466,020.66
  6. Step 6: Final answer
    x = 361,760.37

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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.