Home / 1,168,019.20-1,611,754.36-709,384.72

Finding the Fourth Proportional to 1,168,019.20, 1,611,754.36 and 709,384.72

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Solution

The fourth proportional to 1,168,019.20, 1,611,754.36 and 709,384.72 is: 978,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,019.20 : 1,611,754.36 = 709,384.72 : x
  2. Step 2: Convert to fraction form
    1,168,019.20/1,611,754.36 = 709,384.72/x
  3. Step 3: Cross multiply
    1,168,019.20x = 1,611,754.36 × 709,384.72
  4. Step 4: Simplify right side
    1,168,019.20x = 1,143,353,915,377.38
  5. Step 5: Solve for x
    x = 1,143,353,915,377.38/1,168,019.20
  6. Step 6: Final answer
    x = 978,882.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.