Home / 851,991.76-1,175,751.93-464,815.87

Finding the Fourth Proportional to 851,991.76, 1,175,751.93 and 464,815.87

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Solution

The fourth proportional to 851,991.76, 1,175,751.93 and 464,815.87 is: 641,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,991.76 : 1,175,751.93 = 464,815.87 : x
  2. Step 2: Convert to fraction form
    851,991.76/1,175,751.93 = 464,815.87/x
  3. Step 3: Cross multiply
    851,991.76x = 1,175,751.93 × 464,815.87
  4. Step 4: Simplify right side
    851,991.76x = 546,508,153,923.05
  5. Step 5: Solve for x
    x = 546,508,153,923.05/851,991.76
  6. Step 6: Final answer
    x = 641,447.70

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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.