Home / 405,813.12-608,796.22-125,264.76

Finding the Fourth Proportional to 405,813.12, 608,796.22 and 125,264.76

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Solution

The fourth proportional to 405,813.12, 608,796.22 and 125,264.76 is: 187,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,813.12 : 608,796.22 = 125,264.76 : x
  2. Step 2: Convert to fraction form
    405,813.12/608,796.22 = 125,264.76/x
  3. Step 3: Cross multiply
    405,813.12x = 608,796.22 × 125,264.76
  4. Step 4: Simplify right side
    405,813.12x = 76,260,712,387.21
  5. Step 5: Solve for x
    x = 76,260,712,387.21/405,813.12
  6. Step 6: Final answer
    x = 187,920.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.