Home / 696,754.40-1,045,019.72-191,197.31

Finding the Fourth Proportional to 696,754.40, 1,045,019.72 and 191,197.31

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Solution

The fourth proportional to 696,754.40, 1,045,019.72 and 191,197.31 is: 286,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,754.40 : 1,045,019.72 = 191,197.31 : x
  2. Step 2: Convert to fraction form
    696,754.40/1,045,019.72 = 191,197.31/x
  3. Step 3: Cross multiply
    696,754.40x = 1,045,019.72 × 191,197.31
  4. Step 4: Simplify right side
    696,754.40x = 199,804,954,613.85
  5. Step 5: Solve for x
    x = 199,804,954,613.85/696,754.40
  6. Step 6: Final answer
    x = 286,765.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.