Home / 1,185,165.20-1,777,747.80-298,701.20

Finding the Fourth Proportional to 1,185,165.20, 1,777,747.80 and 298,701.20

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Solution

The fourth proportional to 1,185,165.20, 1,777,747.80 and 298,701.20 is: 448,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,165.20 : 1,777,747.80 = 298,701.20 : x
  2. Step 2: Convert to fraction form
    1,185,165.20/1,777,747.80 = 298,701.20/x
  3. Step 3: Cross multiply
    1,185,165.20x = 1,777,747.80 × 298,701.20
  4. Step 4: Simplify right side
    1,185,165.20x = 531,015,401,157.36
  5. Step 5: Solve for x
    x = 531,015,401,157.36/1,185,165.20
  6. Step 6: Final answer
    x = 448,051.80

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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.