Home / 1,638,505.44-2,260,211.40-1,025,594.12

Finding the Fourth Proportional to 1,638,505.44, 2,260,211.40 and 1,025,594.12

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Solution

The fourth proportional to 1,638,505.44, 2,260,211.40 and 1,025,594.12 is: 1,414,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,505.44 : 2,260,211.40 = 1,025,594.12 : x
  2. Step 2: Convert to fraction form
    1,638,505.44/2,260,211.40 = 1,025,594.12/x
  3. Step 3: Cross multiply
    1,638,505.44x = 2,260,211.40 × 1,025,594.12
  4. Step 4: Simplify right side
    1,638,505.44x = 2,318,059,521,796.97
  5. Step 5: Solve for x
    x = 2,318,059,521,796.97/1,638,505.44
  6. Step 6: Final answer
    x = 1,414,740.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.