Home / 1,105,649.73-1,658,483.83-306,993.56

Finding the Fourth Proportional to 1,105,649.73, 1,658,483.83 and 306,993.56

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Solution

The fourth proportional to 1,105,649.73, 1,658,483.83 and 306,993.56 is: 460,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,649.73 : 1,658,483.83 = 306,993.56 : x
  2. Step 2: Convert to fraction form
    1,105,649.73/1,658,483.83 = 306,993.56/x
  3. Step 3: Cross multiply
    1,105,649.73x = 1,658,483.83 × 306,993.56
  4. Step 4: Simplify right side
    1,105,649.73x = 509,143,855,174.14
  5. Step 5: Solve for x
    x = 509,143,855,174.14/1,105,649.73
  6. Step 6: Final answer
    x = 460,492.90

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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.