Home / 1,703,595-2,555,824.50-638,640.12

Finding the Fourth Proportional to 1,703,595, 2,555,824.50 and 638,640.12

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Solution

The fourth proportional to 1,703,595, 2,555,824.50 and 638,640.12 is: 958,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,595 : 2,555,824.50 = 638,640.12 : x
  2. Step 2: Convert to fraction form
    1,703,595/2,555,824.50 = 638,640.12/x
  3. Step 3: Cross multiply
    1,703,595x = 2,555,824.50 × 638,640.12
  4. Step 4: Simplify right side
    1,703,595x = 1,632,252,065,378.94
  5. Step 5: Solve for x
    x = 1,632,252,065,378.94/1,703,595
  6. Step 6: Final answer
    x = 958,122.13

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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.