Home / 691,181.51-1,036,616.74-247,949.51

Finding the Fourth Proportional to 691,181.51, 1,036,616.74 and 247,949.51

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Solution

The fourth proportional to 691,181.51, 1,036,616.74 and 247,949.51 is: 371,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,181.51 : 1,036,616.74 = 247,949.51 : x
  2. Step 2: Convert to fraction form
    691,181.51/1,036,616.74 = 247,949.51/x
  3. Step 3: Cross multiply
    691,181.51x = 1,036,616.74 × 247,949.51
  4. Step 4: Simplify right side
    691,181.51x = 257,028,612,740.80
  5. Step 5: Solve for x
    x = 257,028,612,740.80/691,181.51
  6. Step 6: Final answer
    x = 371,868.47

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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.