Home / 1,571,113.62-2,168,321.76-882,786.96

Finding the Fourth Proportional to 1,571,113.62, 2,168,321.76 and 882,786.96

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Solution

The fourth proportional to 1,571,113.62, 2,168,321.76 and 882,786.96 is: 1,218,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,113.62 : 2,168,321.76 = 882,786.96 : x
  2. Step 2: Convert to fraction form
    1,571,113.62/2,168,321.76 = 882,786.96/x
  3. Step 3: Cross multiply
    1,571,113.62x = 2,168,321.76 × 882,786.96
  4. Step 4: Simplify right side
    1,571,113.62x = 1,914,166,174,812.25
  5. Step 5: Solve for x
    x = 1,914,166,174,812.25/1,571,113.62
  6. Step 6: Final answer
    x = 1,218,349.93

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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.