Home / 853,090.11-1,279,631.52-347,538.33

Finding the Fourth Proportional to 853,090.11, 1,279,631.52 and 347,538.33

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Solution

The fourth proportional to 853,090.11, 1,279,631.52 and 347,538.33 is: 521,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,090.11 : 1,279,631.52 = 347,538.33 : x
  2. Step 2: Convert to fraction form
    853,090.11/1,279,631.52 = 347,538.33/x
  3. Step 3: Cross multiply
    853,090.11x = 1,279,631.52 × 347,538.33
  4. Step 4: Simplify right side
    853,090.11x = 444,721,001,476.16
  5. Step 5: Solve for x
    x = 444,721,001,476.16/853,090.11
  6. Step 6: Final answer
    x = 521,306.01

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1.5x scale

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.