Home / 831,570.60-1,247,355.90-683,948.10

Finding the Fourth Proportional to 831,570.60, 1,247,355.90 and 683,948.10

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Solution

The fourth proportional to 831,570.60, 1,247,355.90 and 683,948.10 is: 1,025,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,570.60 : 1,247,355.90 = 683,948.10 : x
  2. Step 2: Convert to fraction form
    831,570.60/1,247,355.90 = 683,948.10/x
  3. Step 3: Cross multiply
    831,570.60x = 1,247,355.90 × 683,948.10
  4. Step 4: Simplify right side
    831,570.60x = 853,126,697,828.79
  5. Step 5: Solve for x
    x = 853,126,697,828.79/831,570.60
  6. Step 6: Final answer
    x = 1,025,922.15

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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.