Home / 525,795.60-788,693.40-188,997.60

Finding the Fourth Proportional to 525,795.60, 788,693.40 and 188,997.60

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Solution

The fourth proportional to 525,795.60, 788,693.40 and 188,997.60 is: 283,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,795.60 : 788,693.40 = 188,997.60 : x
  2. Step 2: Convert to fraction form
    525,795.60/788,693.40 = 188,997.60/x
  3. Step 3: Cross multiply
    525,795.60x = 788,693.40 × 188,997.60
  4. Step 4: Simplify right side
    525,795.60x = 149,061,159,735.84
  5. Step 5: Solve for x
    x = 149,061,159,735.84/525,795.60
  6. Step 6: Final answer
    x = 283,496.40

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Double scale
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Similar ratio
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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.