Home / 1,456,231.23-2,009,608.44-811,692.30

Finding the Fourth Proportional to 1,456,231.23, 2,009,608.44 and 811,692.30

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Solution

The fourth proportional to 1,456,231.23, 2,009,608.44 and 811,692.30 is: 1,120,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,231.23 : 2,009,608.44 = 811,692.30 : x
  2. Step 2: Convert to fraction form
    1,456,231.23/2,009,608.44 = 811,692.30/x
  3. Step 3: Cross multiply
    1,456,231.23x = 2,009,608.44 × 811,692.30
  4. Step 4: Simplify right side
    1,456,231.23x = 1,631,183,696,763.01
  5. Step 5: Solve for x
    x = 1,631,183,696,763.01/1,456,231.23
  6. Step 6: Final answer
    x = 1,120,140.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.