Home / 778,988.39-1,168,365.64-246,440.22

Finding the Fourth Proportional to 778,988.39, 1,168,365.64 and 246,440.22

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Solution

The fourth proportional to 778,988.39, 1,168,365.64 and 246,440.22 is: 369,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,988.39 : 1,168,365.64 = 246,440.22 : x
  2. Step 2: Convert to fraction form
    778,988.39/1,168,365.64 = 246,440.22/x
  3. Step 3: Cross multiply
    778,988.39x = 1,168,365.64 × 246,440.22
  4. Step 4: Simplify right side
    778,988.39x = 287,932,284,745.94
  5. Step 5: Solve for x
    x = 287,932,284,745.94/778,988.39
  6. Step 6: Final answer
    x = 369,623.33

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Double scale
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Similar ratio
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1.5x scale

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.