Home / 1,028,884.82-1,543,407.06-309,170.34

Finding the Fourth Proportional to 1,028,884.82, 1,543,407.06 and 309,170.34

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Solution

The fourth proportional to 1,028,884.82, 1,543,407.06 and 309,170.34 is: 463,779.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,884.82 : 1,543,407.06 = 309,170.34 : x
  2. Step 2: Convert to fraction form
    1,028,884.82/1,543,407.06 = 309,170.34/x
  3. Step 3: Cross multiply
    1,028,884.82x = 1,543,407.06 × 309,170.34
  4. Step 4: Simplify right side
    1,028,884.82x = 477,175,685,498.60
  5. Step 5: Solve for x
    x = 477,175,685,498.60/1,028,884.82
  6. Step 6: Final answer
    x = 463,779.50

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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.