Home / 1,054,380.40-1,579,420.20-653,791.60

Finding the Fourth Proportional to 1,054,380.40, 1,579,420.20 and 653,791.60

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Solution

The fourth proportional to 1,054,380.40, 1,579,420.20 and 653,791.60 is: 979,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,380.40 : 1,579,420.20 = 653,791.60 : x
  2. Step 2: Convert to fraction form
    1,054,380.40/1,579,420.20 = 653,791.60/x
  3. Step 3: Cross multiply
    1,054,380.40x = 1,579,420.20 × 653,791.60
  4. Step 4: Simplify right side
    1,054,380.40x = 1,032,611,659,630.32
  5. Step 5: Solve for x
    x = 1,032,611,659,630.32/1,054,380.40
  6. Step 6: Final answer
    x = 979,354.00

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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.