Home / 1,025,805.60-1,538,708.40-839,181.60

Finding the Fourth Proportional to 1,025,805.60, 1,538,708.40 and 839,181.60

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Solution

The fourth proportional to 1,025,805.60, 1,538,708.40 and 839,181.60 is: 1,258,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,805.60 : 1,538,708.40 = 839,181.60 : x
  2. Step 2: Convert to fraction form
    1,025,805.60/1,538,708.40 = 839,181.60/x
  3. Step 3: Cross multiply
    1,025,805.60x = 1,538,708.40 × 839,181.60
  4. Step 4: Simplify right side
    1,025,805.60x = 1,291,255,777,045.44
  5. Step 5: Solve for x
    x = 1,291,255,777,045.44/1,025,805.60
  6. Step 6: Final answer
    x = 1,258,772.40

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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.