Home / 1,185,949.58-1,636,623.24-642,096.68

Finding the Fourth Proportional to 1,185,949.58, 1,636,623.24 and 642,096.68

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Solution

The fourth proportional to 1,185,949.58, 1,636,623.24 and 642,096.68 is: 886,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,949.58 : 1,636,623.24 = 642,096.68 : x
  2. Step 2: Convert to fraction form
    1,185,949.58/1,636,623.24 = 642,096.68/x
  3. Step 3: Cross multiply
    1,185,949.58x = 1,636,623.24 × 642,096.68
  4. Step 4: Simplify right side
    1,185,949.58x = 1,050,870,348,814.84
  5. Step 5: Solve for x
    x = 1,050,870,348,814.84/1,185,949.58
  6. Step 6: Final answer
    x = 886,100.36

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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.