Home / 1,077,456.26-1,486,889.12-618,600.41

Finding the Fourth Proportional to 1,077,456.26, 1,486,889.12 and 618,600.41

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Solution

The fourth proportional to 1,077,456.26, 1,486,889.12 and 618,600.41 is: 853,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,456.26 : 1,486,889.12 = 618,600.41 : x
  2. Step 2: Convert to fraction form
    1,077,456.26/1,486,889.12 = 618,600.41/x
  3. Step 3: Cross multiply
    1,077,456.26x = 1,486,889.12 × 618,600.41
  4. Step 4: Simplify right side
    1,077,456.26x = 919,790,208,729.09
  5. Step 5: Solve for x
    x = 919,790,208,729.09/1,077,456.26
  6. Step 6: Final answer
    x = 853,668.26

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1.5x scale

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.