Home / 1,328,696.40-1,992,079.08-529,738.32

Finding the Fourth Proportional to 1,328,696.40, 1,992,079.08 and 529,738.32

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Solution

The fourth proportional to 1,328,696.40, 1,992,079.08 and 529,738.32 is: 794,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,696.40 : 1,992,079.08 = 529,738.32 : x
  2. Step 2: Convert to fraction form
    1,328,696.40/1,992,079.08 = 529,738.32/x
  3. Step 3: Cross multiply
    1,328,696.40x = 1,992,079.08 × 529,738.32
  4. Step 4: Simplify right side
    1,328,696.40x = 1,055,280,625,146.35
  5. Step 5: Solve for x
    x = 1,055,280,625,146.35/1,328,696.40
  6. Step 6: Final answer
    x = 794,222.54

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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.