Home / 1,405,596.60-2,108,176.20-394,619.40

Finding the Fourth Proportional to 1,405,596.60, 2,108,176.20 and 394,619.40

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Solution

The fourth proportional to 1,405,596.60, 2,108,176.20 and 394,619.40 is: 591,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,596.60 : 2,108,176.20 = 394,619.40 : x
  2. Step 2: Convert to fraction form
    1,405,596.60/2,108,176.20 = 394,619.40/x
  3. Step 3: Cross multiply
    1,405,596.60x = 2,108,176.20 × 394,619.40
  4. Step 4: Simplify right side
    1,405,596.60x = 831,927,227,138.28
  5. Step 5: Solve for x
    x = 831,927,227,138.28/1,405,596.60
  6. Step 6: Final answer
    x = 591,867.70

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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.