Home / 803,220.52-1,109,194.42-517,243.54

Finding the Fourth Proportional to 803,220.52, 1,109,194.42 and 517,243.54

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Solution

The fourth proportional to 803,220.52, 1,109,194.42 and 517,243.54 is: 714,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,220.52 : 1,109,194.42 = 517,243.54 : x
  2. Step 2: Convert to fraction form
    803,220.52/1,109,194.42 = 517,243.54/x
  3. Step 3: Cross multiply
    803,220.52x = 1,109,194.42 × 517,243.54
  4. Step 4: Simplify right side
    803,220.52x = 573,723,648,349.05
  5. Step 5: Solve for x
    x = 573,723,648,349.05/803,220.52
  6. Step 6: Final answer
    x = 714,279.12

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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.