Home / 1,025,506.20-1,538,528.10-394,440.60

Finding the Fourth Proportional to 1,025,506.20, 1,538,528.10 and 394,440.60

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Solution

The fourth proportional to 1,025,506.20, 1,538,528.10 and 394,440.60 is: 591,764.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,506.20 : 1,538,528.10 = 394,440.60 : x
  2. Step 2: Convert to fraction form
    1,025,506.20/1,538,528.10 = 394,440.60/x
  3. Step 3: Cross multiply
    1,025,506.20x = 1,538,528.10 × 394,440.60
  4. Step 4: Simplify right side
    1,025,506.20x = 606,857,946,880.86
  5. Step 5: Solve for x
    x = 606,857,946,880.86/1,025,506.20
  6. Step 6: Final answer
    x = 591,764.29

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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.