Home / 579,787.29-869,323.73-200,619.81

Finding the Fourth Proportional to 579,787.29, 869,323.73 and 200,619.81

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Solution

The fourth proportional to 579,787.29, 869,323.73 and 200,619.81 is: 300,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,787.29 : 869,323.73 = 200,619.81 : x
  2. Step 2: Convert to fraction form
    579,787.29/869,323.73 = 200,619.81/x
  3. Step 3: Cross multiply
    579,787.29x = 869,323.73 × 200,619.81
  4. Step 4: Simplify right side
    579,787.29x = 174,403,560,537.99
  5. Step 5: Solve for x
    x = 174,403,560,537.99/579,787.29
  6. Step 6: Final answer
    x = 300,806.11

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1.5x scale

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.