Home / 890,181.15-1,228,450.67-522,586.34

Finding the Fourth Proportional to 890,181.15, 1,228,450.67 and 522,586.34

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Solution

The fourth proportional to 890,181.15, 1,228,450.67 and 522,586.34 is: 721,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,181.15 : 1,228,450.67 = 522,586.34 : x
  2. Step 2: Convert to fraction form
    890,181.15/1,228,450.67 = 522,586.34/x
  3. Step 3: Cross multiply
    890,181.15x = 1,228,450.67 × 522,586.34
  4. Step 4: Simplify right side
    890,181.15x = 641,971,540,256.60
  5. Step 5: Solve for x
    x = 641,971,540,256.60/890,181.15
  6. Step 6: Final answer
    x = 721,169.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.