Home / 853,556.52-1,177,892.64-471,609.12

Finding the Fourth Proportional to 853,556.52, 1,177,892.64 and 471,609.12

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Solution

The fourth proportional to 853,556.52, 1,177,892.64 and 471,609.12 is: 650,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,556.52 : 1,177,892.64 = 471,609.12 : x
  2. Step 2: Convert to fraction form
    853,556.52/1,177,892.64 = 471,609.12/x
  3. Step 3: Cross multiply
    853,556.52x = 1,177,892.64 × 471,609.12
  4. Step 4: Simplify right side
    853,556.52x = 555,504,911,404.88
  5. Step 5: Solve for x
    x = 555,504,911,404.88/853,556.52
  6. Step 6: Final answer
    x = 650,812.10

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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.