Home / 1,085,326.11-1,627,969.73-445,490.91

Finding the Fourth Proportional to 1,085,326.11, 1,627,969.73 and 445,490.91

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Solution

The fourth proportional to 1,085,326.11, 1,627,969.73 and 445,490.91 is: 668,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,326.11 : 1,627,969.73 = 445,490.91 : x
  2. Step 2: Convert to fraction form
    1,085,326.11/1,627,969.73 = 445,490.91/x
  3. Step 3: Cross multiply
    1,085,326.11x = 1,627,969.73 × 445,490.91
  4. Step 4: Simplify right side
    1,085,326.11x = 725,245,714,242.70
  5. Step 5: Solve for x
    x = 725,245,714,242.70/1,085,326.11
  6. Step 6: Final answer
    x = 668,228.39

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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.