Home / 1,206,838.35-1,810,500.53-353,908.35

Finding the Fourth Proportional to 1,206,838.35, 1,810,500.53 and 353,908.35

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Solution

The fourth proportional to 1,206,838.35, 1,810,500.53 and 353,908.35 is: 530,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,838.35 : 1,810,500.53 = 353,908.35 : x
  2. Step 2: Convert to fraction form
    1,206,838.35/1,810,500.53 = 353,908.35/x
  3. Step 3: Cross multiply
    1,206,838.35x = 1,810,500.53 × 353,908.35
  4. Step 4: Simplify right side
    1,206,838.35x = 640,751,253,476.88
  5. Step 5: Solve for x
    x = 640,751,253,476.88/1,206,838.35
  6. Step 6: Final answer
    x = 530,933.79

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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.