Home / 859,505.27-1,289,256.62-228,419.15

Finding the Fourth Proportional to 859,505.27, 1,289,256.62 and 228,419.15

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Solution

The fourth proportional to 859,505.27, 1,289,256.62 and 228,419.15 is: 342,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,505.27 : 1,289,256.62 = 228,419.15 : x
  2. Step 2: Convert to fraction form
    859,505.27/1,289,256.62 = 228,419.15/x
  3. Step 3: Cross multiply
    859,505.27x = 1,289,256.62 × 228,419.15
  4. Step 4: Simplify right side
    859,505.27x = 294,490,893,683.89
  5. Step 5: Solve for x
    x = 294,490,893,683.89/859,505.27
  6. Step 6: Final answer
    x = 342,628.38

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Double scale
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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.