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Finding the Fourth Proportional to 999,777.94, 1,379,694.47 and 547,068.94

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Solution

The fourth proportional to 999,777.94, 1,379,694.47 and 547,068.94 is: 754,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,777.94 : 1,379,694.47 = 547,068.94 : x
  2. Step 2: Convert to fraction form
    999,777.94/1,379,694.47 = 547,068.94/x
  3. Step 3: Cross multiply
    999,777.94x = 1,379,694.47 × 547,068.94
  4. Step 4: Simplify right side
    999,777.94x = 754,787,985,042.18
  5. Step 5: Solve for x
    x = 754,787,985,042.18/999,777.94
  6. Step 6: Final answer
    x = 754,955.63

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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.