Home / 1,226,588.80-1,839,227.10-515,813.80

Finding the Fourth Proportional to 1,226,588.80, 1,839,227.10 and 515,813.80

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Solution

The fourth proportional to 1,226,588.80, 1,839,227.10 and 515,813.80 is: 773,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,588.80 : 1,839,227.10 = 515,813.80 : x
  2. Step 2: Convert to fraction form
    1,226,588.80/1,839,227.10 = 515,813.80/x
  3. Step 3: Cross multiply
    1,226,588.80x = 1,839,227.10 × 515,813.80
  4. Step 4: Simplify right side
    1,226,588.80x = 948,698,719,513.98
  5. Step 5: Solve for x
    x = 948,698,719,513.98/1,226,588.80
  6. Step 6: Final answer
    x = 773,444.79

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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.