Home / 1,581,930.61-2,183,053.37-856,761.73

Finding the Fourth Proportional to 1,581,930.61, 2,183,053.37 and 856,761.73

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Solution

The fourth proportional to 1,581,930.61, 2,183,053.37 and 856,761.73 is: 1,182,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,930.61 : 2,183,053.37 = 856,761.73 : x
  2. Step 2: Convert to fraction form
    1,581,930.61/2,183,053.37 = 856,761.73/x
  3. Step 3: Cross multiply
    1,581,930.61x = 2,183,053.37 × 856,761.73
  4. Step 4: Simplify right side
    1,581,930.61x = 1,870,356,572,222.09
  5. Step 5: Solve for x
    x = 1,870,356,572,222.09/1,581,930.61
  6. Step 6: Final answer
    x = 1,182,325.30

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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.