Home / 1,237,626.56-1,856,969.10-518,136.32

Finding the Fourth Proportional to 1,237,626.56, 1,856,969.10 and 518,136.32

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Solution

The fourth proportional to 1,237,626.56, 1,856,969.10 and 518,136.32 is: 777,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,626.56 : 1,856,969.10 = 518,136.32 : x
  2. Step 2: Convert to fraction form
    1,237,626.56/1,856,969.10 = 518,136.32/x
  3. Step 3: Cross multiply
    1,237,626.56x = 1,856,969.10 × 518,136.32
  4. Step 4: Simplify right side
    1,237,626.56x = 962,163,135,827.71
  5. Step 5: Solve for x
    x = 962,163,135,827.71/1,237,626.56
  6. Step 6: Final answer
    x = 777,426.06

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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.