Home / 991,121.07-1,367,631.03-583,133.18

Finding the Fourth Proportional to 991,121.07, 1,367,631.03 and 583,133.18

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Solution

The fourth proportional to 991,121.07, 1,367,631.03 and 583,133.18 is: 804,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,121.07 : 1,367,631.03 = 583,133.18 : x
  2. Step 2: Convert to fraction form
    991,121.07/1,367,631.03 = 583,133.18/x
  3. Step 3: Cross multiply
    991,121.07x = 1,367,631.03 × 583,133.18
  4. Step 4: Simplify right side
    991,121.07x = 797,511,031,590.58
  5. Step 5: Solve for x
    x = 797,511,031,590.58/991,121.07
  6. Step 6: Final answer
    x = 804,655.51

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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.