Home / 862,975.57-1,190,914.19-475,804.88

Finding the Fourth Proportional to 862,975.57, 1,190,914.19 and 475,804.88

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Solution

The fourth proportional to 862,975.57, 1,190,914.19 and 475,804.88 is: 656,615.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,975.57 : 1,190,914.19 = 475,804.88 : x
  2. Step 2: Convert to fraction form
    862,975.57/1,190,914.19 = 475,804.88/x
  3. Step 3: Cross multiply
    862,975.57x = 1,190,914.19 × 475,804.88
  4. Step 4: Simplify right side
    862,975.57x = 566,642,783,861.51
  5. Step 5: Solve for x
    x = 566,642,783,861.51/862,975.57
  6. Step 6: Final answer
    x = 656,615.09

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Double scale
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1.5x scale

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.