Home / 571,829.45-789,219.32-317,262.65

Finding the Fourth Proportional to 571,829.45, 789,219.32 and 317,262.65

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Solution

The fourth proportional to 571,829.45, 789,219.32 and 317,262.65 is: 437,874.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,829.45 : 789,219.32 = 317,262.65 : x
  2. Step 2: Convert to fraction form
    571,829.45/789,219.32 = 317,262.65/x
  3. Step 3: Cross multiply
    571,829.45x = 789,219.32 × 317,262.65
  4. Step 4: Simplify right side
    571,829.45x = 250,389,807,361.99
  5. Step 5: Solve for x
    x = 250,389,807,361.99/571,829.45
  6. Step 6: Final answer
    x = 437,874.98

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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.