Home / 936,516.65-1,292,392.96-506,796.78

Finding the Fourth Proportional to 936,516.65, 1,292,392.96 and 506,796.78

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Solution

The fourth proportional to 936,516.65, 1,292,392.96 and 506,796.78 is: 699,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,516.65 : 1,292,392.96 = 506,796.78 : x
  2. Step 2: Convert to fraction form
    936,516.65/1,292,392.96 = 506,796.78/x
  3. Step 3: Cross multiply
    936,516.65x = 1,292,392.96 × 506,796.78
  4. Step 4: Simplify right side
    936,516.65x = 654,980,589,355.68
  5. Step 5: Solve for x
    x = 654,980,589,355.68/936,516.65
  6. Step 6: Final answer
    x = 699,379.54

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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.