Home / 838,491.22-1,157,059.51-475,922.46

Finding the Fourth Proportional to 838,491.22, 1,157,059.51 and 475,922.46

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Solution

The fourth proportional to 838,491.22, 1,157,059.51 and 475,922.46 is: 656,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,491.22 : 1,157,059.51 = 475,922.46 : x
  2. Step 2: Convert to fraction form
    838,491.22/1,157,059.51 = 475,922.46/x
  3. Step 3: Cross multiply
    838,491.22x = 1,157,059.51 × 475,922.46
  4. Step 4: Simplify right side
    838,491.22x = 550,670,608,365.60
  5. Step 5: Solve for x
    x = 550,670,608,365.60/838,491.22
  6. Step 6: Final answer
    x = 656,739.86

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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.