Home / 1,128,228.26-1,556,945.78-611,980.86

Finding the Fourth Proportional to 1,128,228.26, 1,556,945.78 and 611,980.86

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Solution

The fourth proportional to 1,128,228.26, 1,556,945.78 and 611,980.86 is: 844,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,228.26 : 1,556,945.78 = 611,980.86 : x
  2. Step 2: Convert to fraction form
    1,128,228.26/1,556,945.78 = 611,980.86/x
  3. Step 3: Cross multiply
    1,128,228.26x = 1,556,945.78 × 611,980.86
  4. Step 4: Simplify right side
    1,128,228.26x = 952,821,018,947.72
  5. Step 5: Solve for x
    x = 952,821,018,947.72/1,128,228.26
  6. Step 6: Final answer
    x = 844,528.59

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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.