Home / 3,219,992.40-4,830,153.84-823,857.60

Finding the Fourth Proportional to 3,219,992.40, 4,830,153.84 and 823,857.60

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Solution

The fourth proportional to 3,219,992.40, 4,830,153.84 and 823,857.60 is: 1,235,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,992.40 : 4,830,153.84 = 823,857.60 : x
  2. Step 2: Convert to fraction form
    3,219,992.40/4,830,153.84 = 823,857.60/x
  3. Step 3: Cross multiply
    3,219,992.40x = 4,830,153.84 × 823,857.60
  4. Step 4: Simplify right side
    3,219,992.40x = 3,979,358,950,253.18
  5. Step 5: Solve for x
    x = 3,979,358,950,253.18/3,219,992.40
  6. Step 6: Final answer
    x = 1,235,828.68

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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.