Home / 734,131.36-1,013,178-411,928.48

Finding the Fourth Proportional to 734,131.36, 1,013,178 and 411,928.48

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Solution

The fourth proportional to 734,131.36, 1,013,178 and 411,928.48 is: 568,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,131.36 : 1,013,178 = 411,928.48 : x
  2. Step 2: Convert to fraction form
    734,131.36/1,013,178 = 411,928.48/x
  3. Step 3: Cross multiply
    734,131.36x = 1,013,178 × 411,928.48
  4. Step 4: Simplify right side
    734,131.36x = 417,356,873,509.44
  5. Step 5: Solve for x
    x = 417,356,873,509.44/734,131.36
  6. Step 6: Final answer
    x = 568,504.35

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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.