Home / 1,033,505.40-1,550,157.79-313,853.30

Finding the Fourth Proportional to 1,033,505.40, 1,550,157.79 and 313,853.30

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Solution

The fourth proportional to 1,033,505.40, 1,550,157.79 and 313,853.30 is: 470,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033,505.40 : 1,550,157.79 = 313,853.30 : x
  2. Step 2: Convert to fraction form
    1,033,505.40/1,550,157.79 = 313,853.30/x
  3. Step 3: Cross multiply
    1,033,505.40x = 1,550,157.79 × 313,853.30
  4. Step 4: Simplify right side
    1,033,505.40x = 486,522,137,912.21
  5. Step 5: Solve for x
    x = 486,522,137,912.21/1,033,505.40
  6. Step 6: Final answer
    x = 470,749.49

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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.