Home / 991,853.78-1,368,907.87-604,893.74

Finding the Fourth Proportional to 991,853.78, 1,368,907.87 and 604,893.74

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Solution

The fourth proportional to 991,853.78, 1,368,907.87 and 604,893.74 is: 834,844.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,853.78 : 1,368,907.87 = 604,893.74 : x
  2. Step 2: Convert to fraction form
    991,853.78/1,368,907.87 = 604,893.74/x
  3. Step 3: Cross multiply
    991,853.78x = 1,368,907.87 × 604,893.74
  4. Step 4: Simplify right side
    991,853.78x = 828,043,801,199.73
  5. Step 5: Solve for x
    x = 828,043,801,199.73/991,853.78
  6. Step 6: Final answer
    x = 834,844.63

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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.