Home / 1,077,683.20-1,616,524.80-809,994.40

Finding the Fourth Proportional to 1,077,683.20, 1,616,524.80 and 809,994.40

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Solution

The fourth proportional to 1,077,683.20, 1,616,524.80 and 809,994.40 is: 1,214,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,683.20 : 1,616,524.80 = 809,994.40 : x
  2. Step 2: Convert to fraction form
    1,077,683.20/1,616,524.80 = 809,994.40/x
  3. Step 3: Cross multiply
    1,077,683.20x = 1,616,524.80 × 809,994.40
  4. Step 4: Simplify right side
    1,077,683.20x = 1,309,376,035,461.12
  5. Step 5: Solve for x
    x = 1,309,376,035,461.12/1,077,683.20
  6. Step 6: Final answer
    x = 1,214,991.60

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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.