Home / 1,131,768.44-1,697,653.62-290,320.28

Finding the Fourth Proportional to 1,131,768.44, 1,697,653.62 and 290,320.28

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Solution

The fourth proportional to 1,131,768.44, 1,697,653.62 and 290,320.28 is: 435,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,768.44 : 1,697,653.62 = 290,320.28 : x
  2. Step 2: Convert to fraction form
    1,131,768.44/1,697,653.62 = 290,320.28/x
  3. Step 3: Cross multiply
    1,131,768.44x = 1,697,653.62 × 290,320.28
  4. Step 4: Simplify right side
    1,131,768.44x = 492,863,274,301.41
  5. Step 5: Solve for x
    x = 492,863,274,301.41/1,131,768.44
  6. Step 6: Final answer
    x = 435,480.67

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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.