Home / 656,916.60-985,290.18-207,683.10

Finding the Fourth Proportional to 656,916.60, 985,290.18 and 207,683.10

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Solution

The fourth proportional to 656,916.60, 985,290.18 and 207,683.10 is: 311,497.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,916.60 : 985,290.18 = 207,683.10 : x
  2. Step 2: Convert to fraction form
    656,916.60/985,290.18 = 207,683.10/x
  3. Step 3: Cross multiply
    656,916.60x = 985,290.18 × 207,683.10
  4. Step 4: Simplify right side
    656,916.60x = 204,628,118,981.96
  5. Step 5: Solve for x
    x = 204,628,118,981.96/656,916.60
  6. Step 6: Final answer
    x = 311,497.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.