Home / 1,586,200.59-2,380,200.75-856,714.78

Finding the Fourth Proportional to 1,586,200.59, 2,380,200.75 and 856,714.78

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Solution

The fourth proportional to 1,586,200.59, 2,380,200.75 and 856,714.78 is: 1,285,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,200.59 : 2,380,200.75 = 856,714.78 : x
  2. Step 2: Convert to fraction form
    1,586,200.59/2,380,200.75 = 856,714.78/x
  3. Step 3: Cross multiply
    1,586,200.59x = 2,380,200.75 × 856,714.78
  4. Step 4: Simplify right side
    1,586,200.59x = 2,039,153,153,799.80
  5. Step 5: Solve for x
    x = 2,039,153,153,799.80/1,586,200.59
  6. Step 6: Final answer
    x = 1,285,558.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.