Home / 1,786,578.63-2,465,494.07-970,782.33

Finding the Fourth Proportional to 1,786,578.63, 2,465,494.07 and 970,782.33

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Solution

The fourth proportional to 1,786,578.63, 2,465,494.07 and 970,782.33 is: 1,339,688.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,578.63 : 2,465,494.07 = 970,782.33 : x
  2. Step 2: Convert to fraction form
    1,786,578.63/2,465,494.07 = 970,782.33/x
  3. Step 3: Cross multiply
    1,786,578.63x = 2,465,494.07 × 970,782.33
  4. Step 4: Simplify right side
    1,786,578.63x = 2,393,458,077,875.78
  5. Step 5: Solve for x
    x = 2,393,458,077,875.78/1,786,578.63
  6. Step 6: Final answer
    x = 1,339,688.07

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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.