Home / 3,020,713.72-4,531,219.94-862,057

Finding the Fourth Proportional to 3,020,713.72, 4,531,219.94 and 862,057

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Solution

The fourth proportional to 3,020,713.72, 4,531,219.94 and 862,057 is: 1,293,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,713.72 : 4,531,219.94 = 862,057 : x
  2. Step 2: Convert to fraction form
    3,020,713.72/4,531,219.94 = 862,057/x
  3. Step 3: Cross multiply
    3,020,713.72x = 4,531,219.94 × 862,057
  4. Step 4: Simplify right side
    3,020,713.72x = 3,906,169,867,816.58
  5. Step 5: Solve for x
    x = 3,906,169,867,816.58/3,020,713.72
  6. Step 6: Final answer
    x = 1,293,128.12

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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.