Home / 682,384.05-1,021,554.32-505,684.17

Finding the Fourth Proportional to 682,384.05, 1,021,554.32 and 505,684.17

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Solution

The fourth proportional to 682,384.05, 1,021,554.32 and 505,684.17 is: 757,028.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,384.05 : 1,021,554.32 = 505,684.17 : x
  2. Step 2: Convert to fraction form
    682,384.05/1,021,554.32 = 505,684.17/x
  3. Step 3: Cross multiply
    682,384.05x = 1,021,554.32 × 505,684.17
  4. Step 4: Simplify right side
    682,384.05x = 516,583,845,890.69
  5. Step 5: Solve for x
    x = 516,583,845,890.69/682,384.05
  6. Step 6: Final answer
    x = 757,028.02

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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.