Home / 959,060.55-1,438,827.60-285,138.93

Finding the Fourth Proportional to 959,060.55, 1,438,827.60 and 285,138.93

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Solution

The fourth proportional to 959,060.55, 1,438,827.60 and 285,138.93 is: 427,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,060.55 : 1,438,827.60 = 285,138.93 : x
  2. Step 2: Convert to fraction form
    959,060.55/1,438,827.60 = 285,138.93/x
  3. Step 3: Cross multiply
    959,060.55x = 1,438,827.60 × 285,138.93
  4. Step 4: Simplify right side
    959,060.55x = 410,265,768,783.34
  5. Step 5: Solve for x
    x = 410,265,768,783.34/959,060.55
  6. Step 6: Final answer
    x = 427,778.80

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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.