Home / 1,489,664.40-2,234,496.60-1,153,361.90

Finding the Fourth Proportional to 1,489,664.40, 2,234,496.60 and 1,153,361.90

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Solution

The fourth proportional to 1,489,664.40, 2,234,496.60 and 1,153,361.90 is: 1,730,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,664.40 : 2,234,496.60 = 1,153,361.90 : x
  2. Step 2: Convert to fraction form
    1,489,664.40/2,234,496.60 = 1,153,361.90/x
  3. Step 3: Cross multiply
    1,489,664.40x = 2,234,496.60 × 1,153,361.90
  4. Step 4: Simplify right side
    1,489,664.40x = 2,577,183,232,947.06
  5. Step 5: Solve for x
    x = 2,577,183,232,947.06/1,489,664.40
  6. Step 6: Final answer
    x = 1,730,042.84

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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.