Home / 928,792.84-1,393,190.74-254,883.36

Finding the Fourth Proportional to 928,792.84, 1,393,190.74 and 254,883.36

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Solution

The fourth proportional to 928,792.84, 1,393,190.74 and 254,883.36 is: 382,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,792.84 : 1,393,190.74 = 254,883.36 : x
  2. Step 2: Convert to fraction form
    928,792.84/1,393,190.74 = 254,883.36/x
  3. Step 3: Cross multiply
    928,792.84x = 1,393,190.74 × 254,883.36
  4. Step 4: Simplify right side
    928,792.84x = 355,101,136,932.09
  5. Step 5: Solve for x
    x = 355,101,136,932.09/928,792.84
  6. Step 6: Final answer
    x = 382,325.45

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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.