Home / 1,022,120.70-1,533,181.05-622,555.80

Finding the Fourth Proportional to 1,022,120.70, 1,533,181.05 and 622,555.80

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Solution

The fourth proportional to 1,022,120.70, 1,533,181.05 and 622,555.80 is: 933,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,120.70 : 1,533,181.05 = 622,555.80 : x
  2. Step 2: Convert to fraction form
    1,022,120.70/1,533,181.05 = 622,555.80/x
  3. Step 3: Cross multiply
    1,022,120.70x = 1,533,181.05 × 622,555.80
  4. Step 4: Simplify right side
    1,022,120.70x = 954,490,755,127.59
  5. Step 5: Solve for x
    x = 954,490,755,127.59/1,022,120.70
  6. Step 6: Final answer
    x = 933,833.70

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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.