Home / 847,111.35-1,270,667.48-531,789.69

Finding the Fourth Proportional to 847,111.35, 1,270,667.48 and 531,789.69

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Solution

The fourth proportional to 847,111.35, 1,270,667.48 and 531,789.69 is: 797,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,111.35 : 1,270,667.48 = 531,789.69 : x
  2. Step 2: Convert to fraction form
    847,111.35/1,270,667.48 = 531,789.69/x
  3. Step 3: Cross multiply
    847,111.35x = 1,270,667.48 × 531,789.69
  4. Step 4: Simplify right side
    847,111.35x = 675,727,865,282.28
  5. Step 5: Solve for x
    x = 675,727,865,282.28/847,111.35
  6. Step 6: Final answer
    x = 797,684.82

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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.