Home / 874,094.16-1,311,141.23-313,522.32

Finding the Fourth Proportional to 874,094.16, 1,311,141.23 and 313,522.32

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Solution

The fourth proportional to 874,094.16, 1,311,141.23 and 313,522.32 is: 470,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,094.16 : 1,311,141.23 = 313,522.32 : x
  2. Step 2: Convert to fraction form
    874,094.16/1,311,141.23 = 313,522.32/x
  3. Step 3: Cross multiply
    874,094.16x = 1,311,141.23 × 313,522.32
  4. Step 4: Simplify right side
    874,094.16x = 411,072,040,277.25
  5. Step 5: Solve for x
    x = 411,072,040,277.25/874,094.16
  6. Step 6: Final answer
    x = 470,283.48

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Double scale
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Similar ratio
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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.