Home / 929,289.21-1,393,949.10-255,366.30

Finding the Fourth Proportional to 929,289.21, 1,393,949.10 and 255,366.30

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Solution

The fourth proportional to 929,289.21, 1,393,949.10 and 255,366.30 is: 383,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,289.21 : 1,393,949.10 = 255,366.30 : x
  2. Step 2: Convert to fraction form
    929,289.21/1,393,949.10 = 255,366.30/x
  3. Step 3: Cross multiply
    929,289.21x = 1,393,949.10 × 255,366.30
  4. Step 4: Simplify right side
    929,289.21x = 355,967,624,055.33
  5. Step 5: Solve for x
    x = 355,967,624,055.33/929,289.21
  6. Step 6: Final answer
    x = 383,053.65

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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.