Home / 991,118.45-1,367,627.42-583,130.55

Finding the Fourth Proportional to 991,118.45, 1,367,627.42 and 583,130.55

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Solution

The fourth proportional to 991,118.45, 1,367,627.42 and 583,130.55 is: 804,651.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,118.45 : 1,367,627.42 = 583,130.55 : x
  2. Step 2: Convert to fraction form
    991,118.45/1,367,627.42 = 583,130.55/x
  3. Step 3: Cross multiply
    991,118.45x = 1,367,627.42 × 583,130.55
  4. Step 4: Simplify right side
    991,118.45x = 797,505,326,704.03
  5. Step 5: Solve for x
    x = 797,505,326,704.03/991,118.45
  6. Step 6: Final answer
    x = 804,651.89

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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.