Home / 853,620.89-1,177,994.42-471,644.94

Finding the Fourth Proportional to 853,620.89, 1,177,994.42 and 471,644.94

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Solution

The fourth proportional to 853,620.89, 1,177,994.42 and 471,644.94 is: 650,868.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,620.89 : 1,177,994.42 = 471,644.94 : x
  2. Step 2: Convert to fraction form
    853,620.89/1,177,994.42 = 471,644.94/x
  3. Step 3: Cross multiply
    853,620.89x = 1,177,994.42 × 471,644.94
  4. Step 4: Simplify right side
    853,620.89x = 555,595,107,541.24
  5. Step 5: Solve for x
    x = 555,595,107,541.24/853,620.89
  6. Step 6: Final answer
    x = 650,868.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.