Home / 429,956.32-644,949.04-114,413.52

Finding the Fourth Proportional to 429,956.32, 644,949.04 and 114,413.52

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Solution

The fourth proportional to 429,956.32, 644,949.04 and 114,413.52 is: 171,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,956.32 : 644,949.04 = 114,413.52 : x
  2. Step 2: Convert to fraction form
    429,956.32/644,949.04 = 114,413.52/x
  3. Step 3: Cross multiply
    429,956.32x = 644,949.04 × 114,413.52
  4. Step 4: Simplify right side
    429,956.32x = 73,790,889,887.02
  5. Step 5: Solve for x
    x = 73,790,889,887.02/429,956.32
  6. Step 6: Final answer
    x = 171,624.15

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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.