Home / 698,319.09-1,047,457.89-192,910.47

Finding the Fourth Proportional to 698,319.09, 1,047,457.89 and 192,910.47

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Solution

The fourth proportional to 698,319.09, 1,047,457.89 and 192,910.47 is: 289,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,319.09 : 1,047,457.89 = 192,910.47 : x
  2. Step 2: Convert to fraction form
    698,319.09/1,047,457.89 = 192,910.47/x
  3. Step 3: Cross multiply
    698,319.09x = 1,047,457.89 × 192,910.47
  4. Step 4: Simplify right side
    698,319.09x = 202,065,593,865.11
  5. Step 5: Solve for x
    x = 202,065,593,865.11/698,319.09
  6. Step 6: Final answer
    x = 289,359.97

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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.