Home / 749,824.40-1,124,736.60-251,188.40

Finding the Fourth Proportional to 749,824.40, 1,124,736.60 and 251,188.40

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Solution

The fourth proportional to 749,824.40, 1,124,736.60 and 251,188.40 is: 376,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,824.40 : 1,124,736.60 = 251,188.40 : x
  2. Step 2: Convert to fraction form
    749,824.40/1,124,736.60 = 251,188.40/x
  3. Step 3: Cross multiply
    749,824.40x = 1,124,736.60 × 251,188.40
  4. Step 4: Simplify right side
    749,824.40x = 282,520,786,975.44
  5. Step 5: Solve for x
    x = 282,520,786,975.44/749,824.40
  6. Step 6: Final answer
    x = 376,782.60

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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.