Home / 928,929.43-1,393,396.28-255,019.96

Finding the Fourth Proportional to 928,929.43, 1,393,396.28 and 255,019.96

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Solution

The fourth proportional to 928,929.43, 1,393,396.28 and 255,019.96 is: 382,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,929.43 : 1,393,396.28 = 255,019.96 : x
  2. Step 2: Convert to fraction form
    928,929.43/1,393,396.28 = 255,019.96/x
  3. Step 3: Cross multiply
    928,929.43x = 1,393,396.28 × 255,019.96
  4. Step 4: Simplify right side
    928,929.43x = 355,343,866,435.69
  5. Step 5: Solve for x
    x = 355,343,866,435.69/928,929.43
  6. Step 6: Final answer
    x = 382,530.53

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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.