Home / 567,280.62-782,876.43-312,631.83

Finding the Fourth Proportional to 567,280.62, 782,876.43 and 312,631.83

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Solution

The fourth proportional to 567,280.62, 782,876.43 and 312,631.83 is: 431,448.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,280.62 : 782,876.43 = 312,631.83 : x
  2. Step 2: Convert to fraction form
    567,280.62/782,876.43 = 312,631.83/x
  3. Step 3: Cross multiply
    567,280.62x = 782,876.43 × 312,631.83
  4. Step 4: Simplify right side
    567,280.62x = 244,752,090,974.77
  5. Step 5: Solve for x
    x = 244,752,090,974.77/567,280.62
  6. Step 6: Final answer
    x = 431,448.00

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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.