Home / 955,431.44-1,432,969.11-307,018.87

Finding the Fourth Proportional to 955,431.44, 1,432,969.11 and 307,018.87

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Solution

The fourth proportional to 955,431.44, 1,432,969.11 and 307,018.87 is: 460,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,431.44 : 1,432,969.11 = 307,018.87 : x
  2. Step 2: Convert to fraction form
    955,431.44/1,432,969.11 = 307,018.87/x
  3. Step 3: Cross multiply
    955,431.44x = 1,432,969.11 × 307,018.87
  4. Step 4: Simplify right side
    955,431.44x = 439,948,556,897.11
  5. Step 5: Solve for x
    x = 439,948,556,897.11/955,431.44
  6. Step 6: Final answer
    x = 460,471.09

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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.