Home / 1,114,015.32-1,536,910.50-630,469.56

Finding the Fourth Proportional to 1,114,015.32, 1,536,910.50 and 630,469.56

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Solution

The fourth proportional to 1,114,015.32, 1,536,910.50 and 630,469.56 is: 869,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,015.32 : 1,536,910.50 = 630,469.56 : x
  2. Step 2: Convert to fraction form
    1,114,015.32/1,536,910.50 = 630,469.56/x
  3. Step 3: Cross multiply
    1,114,015.32x = 1,536,910.50 × 630,469.56
  4. Step 4: Simplify right side
    1,114,015.32x = 968,975,286,694.38
  5. Step 5: Solve for x
    x = 968,975,286,694.38/1,114,015.32
  6. Step 6: Final answer
    x = 869,804.27

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Double scale
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1.5x scale

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.