Home / 1,070,796.78-1,477,745.91-640,993.77

Finding the Fourth Proportional to 1,070,796.78, 1,477,745.91 and 640,993.77

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Solution

The fourth proportional to 1,070,796.78, 1,477,745.91 and 640,993.77 is: 884,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,796.78 : 1,477,745.91 = 640,993.77 : x
  2. Step 2: Convert to fraction form
    1,070,796.78/1,477,745.91 = 640,993.77/x
  3. Step 3: Cross multiply
    1,070,796.78x = 1,477,745.91 × 640,993.77
  4. Step 4: Simplify right side
    1,070,796.78x = 947,225,921,952.98
  5. Step 5: Solve for x
    x = 947,225,921,952.98/1,070,796.78
  6. Step 6: Final answer
    x = 884,599.15

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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.