Home / 990,327.73-1,366,653.63-537,618.73

Finding the Fourth Proportional to 990,327.73, 1,366,653.63 and 537,618.73

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Solution

The fourth proportional to 990,327.73, 1,366,653.63 and 537,618.73 is: 741,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,327.73 : 1,366,653.63 = 537,618.73 : x
  2. Step 2: Convert to fraction form
    990,327.73/1,366,653.63 = 537,618.73/x
  3. Step 3: Cross multiply
    990,327.73x = 1,366,653.63 × 537,618.73
  4. Step 4: Simplify right side
    990,327.73x = 734,738,588,910.49
  5. Step 5: Solve for x
    x = 734,738,588,910.49/990,327.73
  6. Step 6: Final answer
    x = 741,914.59

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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.