Home / 853,171.55-1,177,369.52-471,190.13

Finding the Fourth Proportional to 853,171.55, 1,177,369.52 and 471,190.13

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Solution

The fourth proportional to 853,171.55, 1,177,369.52 and 471,190.13 is: 650,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,171.55 : 1,177,369.52 = 471,190.13 : x
  2. Step 2: Convert to fraction form
    853,171.55/1,177,369.52 = 471,190.13/x
  3. Step 3: Cross multiply
    853,171.55x = 1,177,369.52 × 471,190.13
  4. Step 4: Simplify right side
    853,171.55x = 554,764,888,944.04
  5. Step 5: Solve for x
    x = 554,764,888,944.04/853,171.55
  6. Step 6: Final answer
    x = 650,238.39

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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.