Home / 1,028,911.66-1,543,447.34-309,197.18

Finding the Fourth Proportional to 1,028,911.66, 1,543,447.34 and 309,197.18

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Solution

The fourth proportional to 1,028,911.66, 1,543,447.34 and 309,197.18 is: 463,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,911.66 : 1,543,447.34 = 309,197.18 : x
  2. Step 2: Convert to fraction form
    1,028,911.66/1,543,447.34 = 309,197.18/x
  3. Step 3: Cross multiply
    1,028,911.66x = 1,543,447.34 × 309,197.18
  4. Step 4: Simplify right side
    1,028,911.66x = 477,229,565,006.50
  5. Step 5: Solve for x
    x = 477,229,565,006.50/1,028,911.66
  6. Step 6: Final answer
    x = 463,819.77

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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.