Home / 831,569.10-1,247,353.65-683,946.60

Finding the Fourth Proportional to 831,569.10, 1,247,353.65 and 683,946.60

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Solution

The fourth proportional to 831,569.10, 1,247,353.65 and 683,946.60 is: 1,025,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,569.10 : 1,247,353.65 = 683,946.60 : x
  2. Step 2: Convert to fraction form
    831,569.10/1,247,353.65 = 683,946.60/x
  3. Step 3: Cross multiply
    831,569.10x = 1,247,353.65 × 683,946.60
  4. Step 4: Simplify right side
    831,569.10x = 853,123,287,915.09
  5. Step 5: Solve for x
    x = 853,123,287,915.09/831,569.10
  6. Step 6: Final answer
    x = 1,025,919.90

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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.