Home / 658,233.60-987,350.40-258,741.60

Finding the Fourth Proportional to 658,233.60, 987,350.40 and 258,741.60

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Solution

The fourth proportional to 658,233.60, 987,350.40 and 258,741.60 is: 388,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,233.60 : 987,350.40 = 258,741.60 : x
  2. Step 2: Convert to fraction form
    658,233.60/987,350.40 = 258,741.60/x
  3. Step 3: Cross multiply
    658,233.60x = 987,350.40 × 258,741.60
  4. Step 4: Simplify right side
    658,233.60x = 255,468,622,256.64
  5. Step 5: Solve for x
    x = 255,468,622,256.64/658,233.60
  6. Step 6: Final answer
    x = 388,112.40

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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.