Home / 862,683.92-1,190,508.54-500,322.62

Finding the Fourth Proportional to 862,683.92, 1,190,508.54 and 500,322.62

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Solution

The fourth proportional to 862,683.92, 1,190,508.54 and 500,322.62 is: 690,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,683.92 : 1,190,508.54 = 500,322.62 : x
  2. Step 2: Convert to fraction form
    862,683.92/1,190,508.54 = 500,322.62/x
  3. Step 3: Cross multiply
    862,683.92x = 1,190,508.54 × 500,322.62
  4. Step 4: Simplify right side
    862,683.92x = 595,638,351,865.18
  5. Step 5: Solve for x
    x = 595,638,351,865.18/862,683.92
  6. Step 6: Final answer
    x = 690,447.96

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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.