Home / 1,178,588.40-1,766,716.20-579,058.80

Finding the Fourth Proportional to 1,178,588.40, 1,766,716.20 and 579,058.80

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Solution

The fourth proportional to 1,178,588.40, 1,766,716.20 and 579,058.80 is: 868,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,588.40 : 1,766,716.20 = 579,058.80 : x
  2. Step 2: Convert to fraction form
    1,178,588.40/1,766,716.20 = 579,058.80/x
  3. Step 3: Cross multiply
    1,178,588.40x = 1,766,716.20 × 579,058.80
  4. Step 4: Simplify right side
    1,178,588.40x = 1,023,032,562,712.56
  5. Step 5: Solve for x
    x = 1,023,032,562,712.56/1,178,588.40
  6. Step 6: Final answer
    x = 868,015.13

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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.