Home / 850,388.10-1,275,583.74-798,424.98

Finding the Fourth Proportional to 850,388.10, 1,275,583.74 and 798,424.98

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Solution

The fourth proportional to 850,388.10, 1,275,583.74 and 798,424.98 is: 1,197,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,388.10 : 1,275,583.74 = 798,424.98 : x
  2. Step 2: Convert to fraction form
    850,388.10/1,275,583.74 = 798,424.98/x
  3. Step 3: Cross multiply
    850,388.10x = 1,275,583.74 × 798,424.98
  4. Step 4: Simplify right side
    850,388.10x = 1,018,457,922,097.83
  5. Step 5: Solve for x
    x = 1,018,457,922,097.83/850,388.10
  6. Step 6: Final answer
    x = 1,197,638.96

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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.