Home / 770,338.60-1,063,334.48-529,418.68

Finding the Fourth Proportional to 770,338.60, 1,063,334.48 and 529,418.68

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Solution

The fourth proportional to 770,338.60, 1,063,334.48 and 529,418.68 is: 730,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,338.60 : 1,063,334.48 = 529,418.68 : x
  2. Step 2: Convert to fraction form
    770,338.60/1,063,334.48 = 529,418.68/x
  3. Step 3: Cross multiply
    770,338.60x = 1,063,334.48 × 529,418.68
  4. Step 4: Simplify right side
    770,338.60x = 562,949,136,800.09
  5. Step 5: Solve for x
    x = 562,949,136,800.09/770,338.60
  6. Step 6: Final answer
    x = 730,781.42

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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.