Home / 847,486.50-1,271,575.62-448,020.42

Finding the Fourth Proportional to 847,486.50, 1,271,575.62 and 448,020.42

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Solution

The fourth proportional to 847,486.50, 1,271,575.62 and 448,020.42 is: 672,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,486.50 : 1,271,575.62 = 448,020.42 : x
  2. Step 2: Convert to fraction form
    847,486.50/1,271,575.62 = 448,020.42/x
  3. Step 3: Cross multiply
    847,486.50x = 1,271,575.62 × 448,020.42
  4. Step 4: Simplify right side
    847,486.50x = 569,691,843,334.16
  5. Step 5: Solve for x
    x = 569,691,843,334.16/847,486.50
  6. Step 6: Final answer
    x = 672,213.47

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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.