Home / 1,230,919.86-1,846,195.10-389,362.26

Finding the Fourth Proportional to 1,230,919.86, 1,846,195.10 and 389,362.26

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Solution

The fourth proportional to 1,230,919.86, 1,846,195.10 and 389,362.26 is: 583,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,919.86 : 1,846,195.10 = 389,362.26 : x
  2. Step 2: Convert to fraction form
    1,230,919.86/1,846,195.10 = 389,362.26/x
  3. Step 3: Cross multiply
    1,230,919.86x = 1,846,195.10 × 389,362.26
  4. Step 4: Simplify right side
    1,230,919.86x = 718,838,696,536.93
  5. Step 5: Solve for x
    x = 718,838,696,536.93/1,230,919.86
  6. Step 6: Final answer
    x = 583,984.97

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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.