Home / 744,855.14-1,117,293.11-212,376.38

Finding the Fourth Proportional to 744,855.14, 1,117,293.11 and 212,376.38

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Solution

The fourth proportional to 744,855.14, 1,117,293.11 and 212,376.38 is: 318,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,855.14 : 1,117,293.11 = 212,376.38 : x
  2. Step 2: Convert to fraction form
    744,855.14/1,117,293.11 = 212,376.38/x
  3. Step 3: Cross multiply
    744,855.14x = 1,117,293.11 × 212,376.38
  4. Step 4: Simplify right side
    744,855.14x = 237,286,666,100.74
  5. Step 5: Solve for x
    x = 237,286,666,100.74/744,855.14
  6. Step 6: Final answer
    x = 318,567.54

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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.