Home / 823,786.10-1,235,440.57-247,386.15

Finding the Fourth Proportional to 823,786.10, 1,235,440.57 and 247,386.15

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Solution

The fourth proportional to 823,786.10, 1,235,440.57 and 247,386.15 is: 371,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,786.10 : 1,235,440.57 = 247,386.15 : x
  2. Step 2: Convert to fraction form
    823,786.10/1,235,440.57 = 247,386.15/x
  3. Step 3: Cross multiply
    823,786.10x = 1,235,440.57 × 247,386.15
  4. Step 4: Simplify right side
    823,786.10x = 305,630,886,166.11
  5. Step 5: Solve for x
    x = 305,630,886,166.11/823,786.10
  6. Step 6: Final answer
    x = 371,007.58

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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.