Home / 1,621,628.70-2,432,443.05-1,025,233.80

Finding the Fourth Proportional to 1,621,628.70, 2,432,443.05 and 1,025,233.80

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Solution

The fourth proportional to 1,621,628.70, 2,432,443.05 and 1,025,233.80 is: 1,537,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,628.70 : 2,432,443.05 = 1,025,233.80 : x
  2. Step 2: Convert to fraction form
    1,621,628.70/2,432,443.05 = 1,025,233.80/x
  3. Step 3: Cross multiply
    1,621,628.70x = 2,432,443.05 × 1,025,233.80
  4. Step 4: Simplify right side
    1,621,628.70x = 2,493,822,831,435.09
  5. Step 5: Solve for x
    x = 2,493,822,831,435.09/1,621,628.70
  6. Step 6: Final answer
    x = 1,537,850.70

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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.