Home / 1,190,946.66-1,643,521.38-647,091.60

Finding the Fourth Proportional to 1,190,946.66, 1,643,521.38 and 647,091.60

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Solution

The fourth proportional to 1,190,946.66, 1,643,521.38 and 647,091.60 is: 892,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,946.66 : 1,643,521.38 = 647,091.60 : x
  2. Step 2: Convert to fraction form
    1,190,946.66/1,643,521.38 = 647,091.60/x
  3. Step 3: Cross multiply
    1,190,946.66x = 1,643,521.38 × 647,091.60
  4. Step 4: Simplify right side
    1,190,946.66x = 1,063,508,879,418.41
  5. Step 5: Solve for x
    x = 1,063,508,879,418.41/1,190,946.66
  6. Step 6: Final answer
    x = 892,994.55

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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.