Home / 770,336.35-1,063,331.36-529,416.43

Finding the Fourth Proportional to 770,336.35, 1,063,331.36 and 529,416.43

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Solution

The fourth proportional to 770,336.35, 1,063,331.36 and 529,416.43 is: 730,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,336.35 : 1,063,331.36 = 529,416.43 : x
  2. Step 2: Convert to fraction form
    770,336.35/1,063,331.36 = 529,416.43/x
  3. Step 3: Cross multiply
    770,336.35x = 1,063,331.36 × 529,416.43
  4. Step 4: Simplify right side
    770,336.35x = 562,945,089,871.16
  5. Step 5: Solve for x
    x = 562,945,089,871.16/770,336.35
  6. Step 6: Final answer
    x = 730,778.30

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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.