Home / 1,453,531.32-2,005,873.22-809,103.74

Finding the Fourth Proportional to 1,453,531.32, 2,005,873.22 and 809,103.74

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Solution

The fourth proportional to 1,453,531.32, 2,005,873.22 and 809,103.74 is: 1,116,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,531.32 : 2,005,873.22 = 809,103.74 : x
  2. Step 2: Convert to fraction form
    1,453,531.32/2,005,873.22 = 809,103.74/x
  3. Step 3: Cross multiply
    1,453,531.32x = 2,005,873.22 × 809,103.74
  4. Step 4: Simplify right side
    1,453,531.32x = 1,622,959,510,192.96
  5. Step 5: Solve for x
    x = 1,622,959,510,192.96/1,453,531.32
  6. Step 6: Final answer
    x = 1,116,563.15

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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.