Home / 1,581,450-2,182,397.76-856,297.50

Finding the Fourth Proportional to 1,581,450, 2,182,397.76 and 856,297.50

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Solution

The fourth proportional to 1,581,450, 2,182,397.76 and 856,297.50 is: 1,181,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,450 : 2,182,397.76 = 856,297.50 : x
  2. Step 2: Convert to fraction form
    1,581,450/2,182,397.76 = 856,297.50/x
  3. Step 3: Cross multiply
    1,581,450x = 2,182,397.76 × 856,297.50
  4. Step 4: Simplify right side
    1,581,450x = 1,868,781,745,893.60
  5. Step 5: Solve for x
    x = 1,868,781,745,893.60/1,581,450
  6. Step 6: Final answer
    x = 1,181,688.80

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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.