Home / 642,727.02-963,896.43-193,328.58

Finding the Fourth Proportional to 642,727.02, 963,896.43 and 193,328.58

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Solution

The fourth proportional to 642,727.02, 963,896.43 and 193,328.58 is: 289,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,727.02 : 963,896.43 = 193,328.58 : x
  2. Step 2: Convert to fraction form
    642,727.02/963,896.43 = 193,328.58/x
  3. Step 3: Cross multiply
    642,727.02x = 963,896.43 × 193,328.58
  4. Step 4: Simplify right side
    642,727.02x = 186,348,728,078.97
  5. Step 5: Solve for x
    x = 186,348,728,078.97/642,727.02
  6. Step 6: Final answer
    x = 289,934.49

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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.