Home / 991,115.06-1,367,622.75-583,127.18

Finding the Fourth Proportional to 991,115.06, 1,367,622.75 and 583,127.18

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Solution

The fourth proportional to 991,115.06, 1,367,622.75 and 583,127.18 is: 804,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,115.06 : 1,367,622.75 = 583,127.18 : x
  2. Step 2: Convert to fraction form
    991,115.06/1,367,622.75 = 583,127.18/x
  3. Step 3: Cross multiply
    991,115.06x = 1,367,622.75 × 583,127.18
  4. Step 4: Simplify right side
    991,115.06x = 797,497,990,673.23
  5. Step 5: Solve for x
    x = 797,497,990,673.23/991,115.06
  6. Step 6: Final answer
    x = 804,647.23

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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.