Home / 1,277,007.16-1,915,791.06-378,518.20

Finding the Fourth Proportional to 1,277,007.16, 1,915,791.06 and 378,518.20

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Solution

The fourth proportional to 1,277,007.16, 1,915,791.06 and 378,518.20 is: 567,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,007.16 : 1,915,791.06 = 378,518.20 : x
  2. Step 2: Convert to fraction form
    1,277,007.16/1,915,791.06 = 378,518.20/x
  3. Step 3: Cross multiply
    1,277,007.16x = 1,915,791.06 × 378,518.20
  4. Step 4: Simplify right side
    1,277,007.16x = 725,161,783,607.29
  5. Step 5: Solve for x
    x = 725,161,783,607.29/1,277,007.16
  6. Step 6: Final answer
    x = 567,860.39

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1.5x scale

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.