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Finding the Fourth Proportional to 2,797,749, 4,196,622.70 and 775,993.14

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Solution

The fourth proportional to 2,797,749, 4,196,622.70 and 775,993.14 is: 1,163,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797,749 : 4,196,622.70 = 775,993.14 : x
  2. Step 2: Convert to fraction form
    2,797,749/4,196,622.70 = 775,993.14/x
  3. Step 3: Cross multiply
    2,797,749x = 4,196,622.70 × 775,993.14
  4. Step 4: Simplify right side
    2,797,749x = 3,256,550,426,368.28
  5. Step 5: Solve for x
    x = 3,256,550,426,368.28/2,797,749
  6. Step 6: Final answer
    x = 1,163,989.49

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Double scale
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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.