Home / 1,586,050.20-2,188,690.74-860,882.58

Finding the Fourth Proportional to 1,586,050.20, 2,188,690.74 and 860,882.58

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Solution

The fourth proportional to 1,586,050.20, 2,188,690.74 and 860,882.58 is: 1,187,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,050.20 : 2,188,690.74 = 860,882.58 : x
  2. Step 2: Convert to fraction form
    1,586,050.20/2,188,690.74 = 860,882.58/x
  3. Step 3: Cross multiply
    1,586,050.20x = 2,188,690.74 × 860,882.58
  4. Step 4: Simplify right side
    1,586,050.20x = 1,884,205,731,073.31
  5. Step 5: Solve for x
    x = 1,884,205,731,073.31/1,586,050.20
  6. Step 6: Final answer
    x = 1,187,986.19

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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.