Home / 2,853,914.87-4,280,416.61-831,685.76

Finding the Fourth Proportional to 2,853,914.87, 4,280,416.61 and 831,685.76

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Solution

The fourth proportional to 2,853,914.87, 4,280,416.61 and 831,685.76 is: 1,247,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853,914.87 : 4,280,416.61 = 831,685.76 : x
  2. Step 2: Convert to fraction form
    2,853,914.87/4,280,416.61 = 831,685.76/x
  3. Step 3: Cross multiply
    2,853,914.87x = 4,280,416.61 × 831,685.76
  4. Step 4: Simplify right side
    2,853,914.87x = 3,559,961,541,404.47
  5. Step 5: Solve for x
    x = 3,559,961,541,404.47/2,853,914.87
  6. Step 6: Final answer
    x = 1,247,395.84

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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.