Home / 792,047.40-1,185,446.70-729,061.80

Finding the Fourth Proportional to 792,047.40, 1,185,446.70 and 729,061.80

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Solution

The fourth proportional to 792,047.40, 1,185,446.70 and 729,061.80 is: 1,091,177.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,047.40 : 1,185,446.70 = 729,061.80 : x
  2. Step 2: Convert to fraction form
    792,047.40/1,185,446.70 = 729,061.80/x
  3. Step 3: Cross multiply
    792,047.40x = 1,185,446.70 × 729,061.80
  4. Step 4: Simplify right side
    792,047.40x = 864,263,904,906.06
  5. Step 5: Solve for x
    x = 864,263,904,906.06/792,047.40
  6. Step 6: Final answer
    x = 1,091,177.00

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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.