Home / 778,048.24-1,167,072.24-245,942.80

Finding the Fourth Proportional to 778,048.24, 1,167,072.24 and 245,942.80

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Solution

The fourth proportional to 778,048.24, 1,167,072.24 and 245,942.80 is: 368,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,048.24 : 1,167,072.24 = 245,942.80 : x
  2. Step 2: Convert to fraction form
    778,048.24/1,167,072.24 = 245,942.80/x
  3. Step 3: Cross multiply
    778,048.24x = 1,167,072.24 × 245,942.80
  4. Step 4: Simplify right side
    778,048.24x = 287,033,014,507.87
  5. Step 5: Solve for x
    x = 287,033,014,507.87/778,048.24
  6. Step 6: Final answer
    x = 368,914.16

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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.