Home / 405,834.80-608,752.20-184,218.80

Finding the Fourth Proportional to 405,834.80, 608,752.20 and 184,218.80

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Solution

The fourth proportional to 405,834.80, 608,752.20 and 184,218.80 is: 276,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,834.80 : 608,752.20 = 184,218.80 : x
  2. Step 2: Convert to fraction form
    405,834.80/608,752.20 = 184,218.80/x
  3. Step 3: Cross multiply
    405,834.80x = 608,752.20 × 184,218.80
  4. Step 4: Simplify right side
    405,834.80x = 112,143,599,781.36
  5. Step 5: Solve for x
    x = 112,143,599,781.36/405,834.80
  6. Step 6: Final answer
    x = 276,328.20

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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.