Home / 1,257,985.11-1,885,231.89-573,198.45

Finding the Fourth Proportional to 1,257,985.11, 1,885,231.89 and 573,198.45

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Solution

The fourth proportional to 1,257,985.11, 1,885,231.89 and 573,198.45 is: 859,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,985.11 : 1,885,231.89 = 573,198.45 : x
  2. Step 2: Convert to fraction form
    1,257,985.11/1,885,231.89 = 573,198.45/x
  3. Step 3: Cross multiply
    1,257,985.11x = 1,885,231.89 × 573,198.45
  4. Step 4: Simplify right side
    1,257,985.11x = 1,080,611,997,238.57
  5. Step 5: Solve for x
    x = 1,080,611,997,238.57/1,257,985.11
  6. Step 6: Final answer
    x = 859,002.22

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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.