Home / 716,884.82-1,075,511.75-211,425.38

Finding the Fourth Proportional to 716,884.82, 1,075,511.75 and 211,425.38

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Solution

The fourth proportional to 716,884.82, 1,075,511.75 and 211,425.38 is: 317,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,884.82 : 1,075,511.75 = 211,425.38 : x
  2. Step 2: Convert to fraction form
    716,884.82/1,075,511.75 = 211,425.38/x
  3. Step 3: Cross multiply
    716,884.82x = 1,075,511.75 × 211,425.38
  4. Step 4: Simplify right side
    716,884.82x = 227,390,474,003.53
  5. Step 5: Solve for x
    x = 227,390,474,003.53/716,884.82
  6. Step 6: Final answer
    x = 317,192.48

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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.