Home / 1,581,795.60-2,182,850.96-856,637.43

Finding the Fourth Proportional to 1,581,795.60, 2,182,850.96 and 856,637.43

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Solution

The fourth proportional to 1,581,795.60, 2,182,850.96 and 856,637.43 is: 1,182,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,795.60 : 2,182,850.96 = 856,637.43 : x
  2. Step 2: Convert to fraction form
    1,581,795.60/2,182,850.96 = 856,637.43/x
  3. Step 3: Cross multiply
    1,581,795.60x = 2,182,850.96 × 856,637.43
  4. Step 4: Simplify right side
    1,581,795.60x = 1,869,911,832,164.25
  5. Step 5: Solve for x
    x = 1,869,911,832,164.25/1,581,795.60
  6. Step 6: Final answer
    x = 1,182,145.05

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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.