Home / 874,175.96-1,311,497.28-313,267.16

Finding the Fourth Proportional to 874,175.96, 1,311,497.28 and 313,267.16

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Solution

The fourth proportional to 874,175.96, 1,311,497.28 and 313,267.16 is: 469,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,175.96 : 1,311,497.28 = 313,267.16 : x
  2. Step 2: Convert to fraction form
    874,175.96/1,311,497.28 = 313,267.16/x
  3. Step 3: Cross multiply
    874,175.96x = 1,311,497.28 × 313,267.16
  4. Step 4: Simplify right side
    874,175.96x = 410,849,028,253.33
  5. Step 5: Solve for x
    x = 410,849,028,253.33/874,175.96
  6. Step 6: Final answer
    x = 469,984.36

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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.