Home / 853,168.55-1,177,365.38-471,187.13

Finding the Fourth Proportional to 853,168.55, 1,177,365.38 and 471,187.13

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Solution

The fourth proportional to 853,168.55, 1,177,365.38 and 471,187.13 is: 650,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,168.55 : 1,177,365.38 = 471,187.13 : x
  2. Step 2: Convert to fraction form
    853,168.55/1,177,365.38 = 471,187.13/x
  3. Step 3: Cross multiply
    853,168.55x = 1,177,365.38 × 471,187.13
  4. Step 4: Simplify right side
    853,168.55x = 554,759,406,120.80
  5. Step 5: Solve for x
    x = 554,759,406,120.80/853,168.55
  6. Step 6: Final answer
    x = 650,234.25

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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.