Home / 819,604.44-1,131,134.76-497,289.24

Finding the Fourth Proportional to 819,604.44, 1,131,134.76 and 497,289.24

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Solution

The fourth proportional to 819,604.44, 1,131,134.76 and 497,289.24 is: 686,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,604.44 : 1,131,134.76 = 497,289.24 : x
  2. Step 2: Convert to fraction form
    819,604.44/1,131,134.76 = 497,289.24/x
  3. Step 3: Cross multiply
    819,604.44x = 1,131,134.76 × 497,289.24
  4. Step 4: Simplify right side
    819,604.44x = 562,501,145,137.98
  5. Step 5: Solve for x
    x = 562,501,145,137.98/819,604.44
  6. Step 6: Final answer
    x = 686,308.07

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Double scale
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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.