Home / 853,755.54-1,178,183.04-471,782.34

Finding the Fourth Proportional to 853,755.54, 1,178,183.04 and 471,782.34

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Solution

The fourth proportional to 853,755.54, 1,178,183.04 and 471,782.34 is: 651,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,755.54 : 1,178,183.04 = 471,782.34 : x
  2. Step 2: Convert to fraction form
    853,755.54/1,178,183.04 = 471,782.34/x
  3. Step 3: Cross multiply
    853,755.54x = 1,178,183.04 × 471,782.34
  4. Step 4: Simplify right side
    853,755.54x = 555,845,951,559.51
  5. Step 5: Solve for x
    x = 555,845,951,559.51/853,755.54
  6. Step 6: Final answer
    x = 651,059.85

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Double scale
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1.5x scale

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.