Home / 1,277,185.85-1,915,654.38-519,072.77

Finding the Fourth Proportional to 1,277,185.85, 1,915,654.38 and 519,072.77

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Solution

The fourth proportional to 1,277,185.85, 1,915,654.38 and 519,072.77 is: 778,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,185.85 : 1,915,654.38 = 519,072.77 : x
  2. Step 2: Convert to fraction form
    1,277,185.85/1,915,654.38 = 519,072.77/x
  3. Step 3: Cross multiply
    1,277,185.85x = 1,915,654.38 × 519,072.77
  4. Step 4: Simplify right side
    1,277,185.85x = 994,364,025,389.23
  5. Step 5: Solve for x
    x = 994,364,025,389.23/1,277,185.85
  6. Step 6: Final answer
    x = 778,558.60

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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.