Home / 936,513.65-1,292,388.82-506,793.78

Finding the Fourth Proportional to 936,513.65, 1,292,388.82 and 506,793.78

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Solution

The fourth proportional to 936,513.65, 1,292,388.82 and 506,793.78 is: 699,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,513.65 : 1,292,388.82 = 506,793.78 : x
  2. Step 2: Convert to fraction form
    936,513.65/1,292,388.82 = 506,793.78/x
  3. Step 3: Cross multiply
    936,513.65x = 1,292,388.82 × 506,793.78
  4. Step 4: Simplify right side
    936,513.65x = 654,974,616,901.27
  5. Step 5: Solve for x
    x = 654,974,616,901.27/936,513.65
  6. Step 6: Final answer
    x = 699,375.41

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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.