Home / 991,115.31-1,367,623.10-583,127.43

Finding the Fourth Proportional to 991,115.31, 1,367,623.10 and 583,127.43

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Solution

The fourth proportional to 991,115.31, 1,367,623.10 and 583,127.43 is: 804,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,115.31 : 1,367,623.10 = 583,127.43 : x
  2. Step 2: Convert to fraction form
    991,115.31/1,367,623.10 = 583,127.43/x
  3. Step 3: Cross multiply
    991,115.31x = 1,367,623.10 × 583,127.43
  4. Step 4: Simplify right side
    991,115.31x = 797,498,543,511.63
  5. Step 5: Solve for x
    x = 797,498,543,511.63/991,115.31
  6. Step 6: Final answer
    x = 804,647.59

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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.