Home / 1,673,103.21-2,308,859.17-928,006.32

Finding the Fourth Proportional to 1,673,103.21, 2,308,859.17 and 928,006.32

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Solution

The fourth proportional to 1,673,103.21, 2,308,859.17 and 928,006.32 is: 1,280,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,103.21 : 2,308,859.17 = 928,006.32 : x
  2. Step 2: Convert to fraction form
    1,673,103.21/2,308,859.17 = 928,006.32/x
  3. Step 3: Cross multiply
    1,673,103.21x = 2,308,859.17 × 928,006.32
  4. Step 4: Simplify right side
    1,673,103.21x = 2,142,635,895,100.83
  5. Step 5: Solve for x
    x = 2,142,635,895,100.83/1,673,103.21
  6. Step 6: Final answer
    x = 1,280,635.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.