Home / 526,021.60-789,032.40-231,109.60

Finding the Fourth Proportional to 526,021.60, 789,032.40 and 231,109.60

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Solution

The fourth proportional to 526,021.60, 789,032.40 and 231,109.60 is: 346,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,021.60 : 789,032.40 = 231,109.60 : x
  2. Step 2: Convert to fraction form
    526,021.60/789,032.40 = 231,109.60/x
  3. Step 3: Cross multiply
    526,021.60x = 789,032.40 × 231,109.60
  4. Step 4: Simplify right side
    526,021.60x = 182,352,962,351.04
  5. Step 5: Solve for x
    x = 182,352,962,351.04/526,021.60
  6. Step 6: Final answer
    x = 346,664.40

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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.