Home / 1,581,669.72-2,182,705.38-856,518.23

Finding the Fourth Proportional to 1,581,669.72, 2,182,705.38 and 856,518.23

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Solution

The fourth proportional to 1,581,669.72, 2,182,705.38 and 856,518.23 is: 1,181,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,669.72 : 2,182,705.38 = 856,518.23 : x
  2. Step 2: Convert to fraction form
    1,581,669.72/2,182,705.38 = 856,518.23/x
  3. Step 3: Cross multiply
    1,581,669.72x = 2,182,705.38 × 856,518.23
  4. Step 4: Simplify right side
    1,581,669.72x = 1,869,526,954,145.84
  5. Step 5: Solve for x
    x = 1,869,526,954,145.84/1,581,669.72
  6. Step 6: Final answer
    x = 1,181,995.79

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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.