Home / 853,668.24-1,177,732.08-491,034.48

Finding the Fourth Proportional to 853,668.24, 1,177,732.08 and 491,034.48

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Solution

The fourth proportional to 853,668.24, 1,177,732.08 and 491,034.48 is: 677,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,668.24 : 1,177,732.08 = 491,034.48 : x
  2. Step 2: Convert to fraction form
    853,668.24/1,177,732.08 = 491,034.48/x
  3. Step 3: Cross multiply
    853,668.24x = 1,177,732.08 × 491,034.48
  4. Step 4: Simplify right side
    853,668.24x = 578,307,059,482.12
  5. Step 5: Solve for x
    x = 578,307,059,482.12/853,668.24
  6. Step 6: Final answer
    x = 677,437.71

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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.