Home / 715,791.48-1,072,899.88-294,837.72

Finding the Fourth Proportional to 715,791.48, 1,072,899.88 and 294,837.72

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Solution

The fourth proportional to 715,791.48, 1,072,899.88 and 294,837.72 is: 441,932.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,791.48 : 1,072,899.88 = 294,837.72 : x
  2. Step 2: Convert to fraction form
    715,791.48/1,072,899.88 = 294,837.72/x
  3. Step 3: Cross multiply
    715,791.48x = 1,072,899.88 × 294,837.72
  4. Step 4: Simplify right side
    715,791.48x = 316,331,354,407.47
  5. Step 5: Solve for x
    x = 316,331,354,407.47/715,791.48
  6. Step 6: Final answer
    x = 441,932.27

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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.