Home / 1,191,230.51-1,787,179.28-481,756.77

Finding the Fourth Proportional to 1,191,230.51, 1,787,179.28 and 481,756.77

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Solution

The fourth proportional to 1,191,230.51, 1,787,179.28 and 481,756.77 is: 722,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,230.51 : 1,787,179.28 = 481,756.77 : x
  2. Step 2: Convert to fraction form
    1,191,230.51/1,787,179.28 = 481,756.77/x
  3. Step 3: Cross multiply
    1,191,230.51x = 1,787,179.28 × 481,756.77
  4. Step 4: Simplify right side
    1,191,230.51x = 860,985,714,934.94
  5. Step 5: Solve for x
    x = 860,985,714,934.94/1,191,230.51
  6. Step 6: Final answer
    x = 722,770.04

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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.