Home / 861,514.63-1,292,464.68-262,522.66

Finding the Fourth Proportional to 861,514.63, 1,292,464.68 and 262,522.66

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Solution

The fourth proportional to 861,514.63, 1,292,464.68 and 262,522.66 is: 393,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,514.63 : 1,292,464.68 = 262,522.66 : x
  2. Step 2: Convert to fraction form
    861,514.63/1,292,464.68 = 262,522.66/x
  3. Step 3: Cross multiply
    861,514.63x = 1,292,464.68 × 262,522.66
  4. Step 4: Simplify right side
    861,514.63x = 339,301,265,749.65
  5. Step 5: Solve for x
    x = 339,301,265,749.65/861,514.63
  6. Step 6: Final answer
    x = 393,842.72

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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.