Home / 689,707.82-1,034,562.14-191,071.82

Finding the Fourth Proportional to 689,707.82, 1,034,562.14 and 191,071.82

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Solution

The fourth proportional to 689,707.82, 1,034,562.14 and 191,071.82 is: 286,607.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,707.82 : 1,034,562.14 = 191,071.82 : x
  2. Step 2: Convert to fraction form
    689,707.82/1,034,562.14 = 191,071.82/x
  3. Step 3: Cross multiply
    689,707.82x = 1,034,562.14 × 191,071.82
  4. Step 4: Simplify right side
    689,707.82x = 197,675,670,992.90
  5. Step 5: Solve for x
    x = 197,675,670,992.90/689,707.82
  6. Step 6: Final answer
    x = 286,607.84

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Similar ratio
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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.