Home / 1,213,577.10-1,818,630.90-891,199.80

Finding the Fourth Proportional to 1,213,577.10, 1,818,630.90 and 891,199.80

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Solution

The fourth proportional to 1,213,577.10, 1,818,630.90 and 891,199.80 is: 1,335,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,577.10 : 1,818,630.90 = 891,199.80 : x
  2. Step 2: Convert to fraction form
    1,213,577.10/1,818,630.90 = 891,199.80/x
  3. Step 3: Cross multiply
    1,213,577.10x = 1,818,630.90 × 891,199.80
  4. Step 4: Simplify right side
    1,213,577.10x = 1,620,763,494,353.82
  5. Step 5: Solve for x
    x = 1,620,763,494,353.82/1,213,577.10
  6. Step 6: Final answer
    x = 1,335,525.77

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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.