Home / 1,277,093.89-1,914,755.01-678,475.45

Finding the Fourth Proportional to 1,277,093.89, 1,914,755.01 and 678,475.45

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Solution

The fourth proportional to 1,277,093.89, 1,914,755.01 and 678,475.45 is: 1,017,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,093.89 : 1,914,755.01 = 678,475.45 : x
  2. Step 2: Convert to fraction form
    1,277,093.89/1,914,755.01 = 678,475.45/x
  3. Step 3: Cross multiply
    1,277,093.89x = 1,914,755.01 × 678,475.45
  4. Step 4: Simplify right side
    1,277,093.89x = 1,299,114,267,049.50
  5. Step 5: Solve for x
    x = 1,299,114,267,049.50/1,277,093.89
  6. Step 6: Final answer
    x = 1,017,242.57

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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.