Home / 1,223,948.88-1,831,994.28-653,905.44

Finding the Fourth Proportional to 1,223,948.88, 1,831,994.28 and 653,905.44

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Solution

The fourth proportional to 1,223,948.88, 1,831,994.28 and 653,905.44 is: 978,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,948.88 : 1,831,994.28 = 653,905.44 : x
  2. Step 2: Convert to fraction form
    1,223,948.88/1,831,994.28 = 653,905.44/x
  3. Step 3: Cross multiply
    1,223,948.88x = 1,831,994.28 × 653,905.44
  4. Step 4: Simplify right side
    1,223,948.88x = 1,197,951,025,740.88
  5. Step 5: Solve for x
    x = 1,197,951,025,740.88/1,223,948.88
  6. Step 6: Final answer
    x = 978,759.04

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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.