Home / 671,495.50-1,007,243.40-222,095.80

Finding the Fourth Proportional to 671,495.50, 1,007,243.40 and 222,095.80

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Solution

The fourth proportional to 671,495.50, 1,007,243.40 and 222,095.80 is: 333,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,495.50 : 1,007,243.40 = 222,095.80 : x
  2. Step 2: Convert to fraction form
    671,495.50/1,007,243.40 = 222,095.80/x
  3. Step 3: Cross multiply
    671,495.50x = 1,007,243.40 × 222,095.80
  4. Step 4: Simplify right side
    671,495.50x = 223,704,528,717.72
  5. Step 5: Solve for x
    x = 223,704,528,717.72/671,495.50
  6. Step 6: Final answer
    x = 333,143.75

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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.