Home / 851,271.12-1,173,912.48-722,561.04

Finding the Fourth Proportional to 851,271.12, 1,173,912.48 and 722,561.04

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Solution

The fourth proportional to 851,271.12, 1,173,912.48 and 722,561.04 is: 996,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,271.12 : 1,173,912.48 = 722,561.04 : x
  2. Step 2: Convert to fraction form
    851,271.12/1,173,912.48 = 722,561.04/x
  3. Step 3: Cross multiply
    851,271.12x = 1,173,912.48 × 722,561.04
  4. Step 4: Simplify right side
    851,271.12x = 848,223,422,417.78
  5. Step 5: Solve for x
    x = 848,223,422,417.78/851,271.12
  6. Step 6: Final answer
    x = 996,419.83

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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.