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Finding the Fourth Proportional to 891,079.80, 1,335,842.10 and 796,601.40

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Solution

The fourth proportional to 891,079.80, 1,335,842.10 and 796,601.40 is: 1,194,206.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,079.80 : 1,335,842.10 = 796,601.40 : x
  2. Step 2: Convert to fraction form
    891,079.80/1,335,842.10 = 796,601.40/x
  3. Step 3: Cross multiply
    891,079.80x = 1,335,842.10 × 796,601.40
  4. Step 4: Simplify right side
    891,079.80x = 1,064,133,687,038.94
  5. Step 5: Solve for x
    x = 1,064,133,687,038.94/891,079.80
  6. Step 6: Final answer
    x = 1,194,206.95

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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.