Home / 405,625.11-608,271.59-180,831.80

Finding the Fourth Proportional to 405,625.11, 608,271.59 and 180,831.80

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Solution

The fourth proportional to 405,625.11, 608,271.59 and 180,831.80 is: 271,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,625.11 : 608,271.59 = 180,831.80 : x
  2. Step 2: Convert to fraction form
    405,625.11/608,271.59 = 180,831.80/x
  3. Step 3: Cross multiply
    405,625.11x = 608,271.59 × 180,831.80
  4. Step 4: Simplify right side
    405,625.11x = 109,994,844,334.45
  5. Step 5: Solve for x
    x = 109,994,844,334.45/405,625.11
  6. Step 6: Final answer
    x = 271,173.66

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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.