Home / 1,581,587.75-2,182,587.15-856,435.42

Finding the Fourth Proportional to 1,581,587.75, 2,182,587.15 and 856,435.42

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Solution

The fourth proportional to 1,581,587.75, 2,182,587.15 and 856,435.42 is: 1,181,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,587.75 : 2,182,587.15 = 856,435.42 : x
  2. Step 2: Convert to fraction form
    1,581,587.75/2,182,587.15 = 856,435.42/x
  3. Step 3: Cross multiply
    1,581,587.75x = 2,182,587.15 × 856,435.42
  4. Step 4: Simplify right side
    1,581,587.75x = 1,869,244,942,496.85
  5. Step 5: Solve for x
    x = 1,869,244,942,496.85/1,581,587.75
  6. Step 6: Final answer
    x = 1,181,878.74

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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.