Home / 1,277,955.53-1,915,174.97-547,604.45

Finding the Fourth Proportional to 1,277,955.53, 1,915,174.97 and 547,604.45

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Solution

The fourth proportional to 1,277,955.53, 1,915,174.97 and 547,604.45 is: 820,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,955.53 : 1,915,174.97 = 547,604.45 : x
  2. Step 2: Convert to fraction form
    1,277,955.53/1,915,174.97 = 547,604.45/x
  3. Step 3: Cross multiply
    1,277,955.53x = 1,915,174.97 × 547,604.45
  4. Step 4: Simplify right side
    1,277,955.53x = 1,048,758,343,795.00
  5. Step 5: Solve for x
    x = 1,048,758,343,795.00/1,277,955.53
  6. Step 6: Final answer
    x = 820,653.24

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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.