Home / 812,793.52-1,219,423.56-531,963.28

Finding the Fourth Proportional to 812,793.52, 1,219,423.56 and 531,963.28

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Solution

The fourth proportional to 812,793.52, 1,219,423.56 and 531,963.28 is: 798,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,793.52 : 1,219,423.56 = 531,963.28 : x
  2. Step 2: Convert to fraction form
    812,793.52/1,219,423.56 = 531,963.28/x
  3. Step 3: Cross multiply
    812,793.52x = 1,219,423.56 × 531,963.28
  4. Step 4: Simplify right side
    812,793.52x = 648,688,556,686.88
  5. Step 5: Solve for x
    x = 648,688,556,686.88/812,793.52
  6. Step 6: Final answer
    x = 798,097.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.