Home / 1,296,580.91-1,787,618.30-1,063,147.79

Finding the Fourth Proportional to 1,296,580.91, 1,787,618.30 and 1,063,147.79

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Solution

The fourth proportional to 1,296,580.91, 1,787,618.30 and 1,063,147.79 is: 1,465,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,580.91 : 1,787,618.30 = 1,063,147.79 : x
  2. Step 2: Convert to fraction form
    1,296,580.91/1,787,618.30 = 1,063,147.79/x
  3. Step 3: Cross multiply
    1,296,580.91x = 1,787,618.30 × 1,063,147.79
  4. Step 4: Simplify right side
    1,296,580.91x = 1,900,502,452,135.47
  5. Step 5: Solve for x
    x = 1,900,502,452,135.47/1,296,580.91
  6. Step 6: Final answer
    x = 1,465,780.07

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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.