Home / 994,880.34-1,492,533.54-320,999.76

Finding the Fourth Proportional to 994,880.34, 1,492,533.54 and 320,999.76

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Solution

The fourth proportional to 994,880.34, 1,492,533.54 and 320,999.76 is: 481,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,880.34 : 1,492,533.54 = 320,999.76 : x
  2. Step 2: Convert to fraction form
    994,880.34/1,492,533.54 = 320,999.76/x
  3. Step 3: Cross multiply
    994,880.34x = 1,492,533.54 × 320,999.76
  4. Step 4: Simplify right side
    994,880.34x = 479,102,908,131.95
  5. Step 5: Solve for x
    x = 479,102,908,131.95/994,880.34
  6. Step 6: Final answer
    x = 481,568.37

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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.