Home / 1,916,529.50-2,874,172.19-636,793.30

Finding the Fourth Proportional to 1,916,529.50, 2,874,172.19 and 636,793.30

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Solution

The fourth proportional to 1,916,529.50, 2,874,172.19 and 636,793.30 is: 954,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,529.50 : 2,874,172.19 = 636,793.30 : x
  2. Step 2: Convert to fraction form
    1,916,529.50/2,874,172.19 = 636,793.30/x
  3. Step 3: Cross multiply
    1,916,529.50x = 2,874,172.19 × 636,793.30
  4. Step 4: Simplify right side
    1,916,529.50x = 1,830,253,593,638.33
  5. Step 5: Solve for x
    x = 1,830,253,593,638.33/1,916,529.50
  6. Step 6: Final answer
    x = 954,983.26

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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.