Home / 945,645.84-1,419,059.40-630,324.24

Finding the Fourth Proportional to 945,645.84, 1,419,059.40 and 630,324.24

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Solution

The fourth proportional to 945,645.84, 1,419,059.40 and 630,324.24 is: 945,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,645.84 : 1,419,059.40 = 630,324.24 : x
  2. Step 2: Convert to fraction form
    945,645.84/1,419,059.40 = 630,324.24/x
  3. Step 3: Cross multiply
    945,645.84x = 1,419,059.40 × 630,324.24
  4. Step 4: Simplify right side
    945,645.84x = 894,467,537,819.86
  5. Step 5: Solve for x
    x = 894,467,537,819.86/945,645.84
  6. Step 6: Final answer
    x = 945,880.05

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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.