Home / 717,057.99-1,075,616.82-211,619.07

Finding the Fourth Proportional to 717,057.99, 1,075,616.82 and 211,619.07

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Solution

The fourth proportional to 717,057.99, 1,075,616.82 and 211,619.07 is: 317,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,057.99 : 1,075,616.82 = 211,619.07 : x
  2. Step 2: Convert to fraction form
    717,057.99/1,075,616.82 = 211,619.07/x
  3. Step 3: Cross multiply
    717,057.99x = 1,075,616.82 × 211,619.07
  4. Step 4: Simplify right side
    717,057.99x = 227,621,031,124.76
  5. Step 5: Solve for x
    x = 227,621,031,124.76/717,057.99
  6. Step 6: Final answer
    x = 317,437.41

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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.