Home / 968,777.27-1,453,492.58-428,959.85

Finding the Fourth Proportional to 968,777.27, 1,453,492.58 and 428,959.85

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Solution

The fourth proportional to 968,777.27, 1,453,492.58 and 428,959.85 is: 643,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,777.27 : 1,453,492.58 = 428,959.85 : x
  2. Step 2: Convert to fraction form
    968,777.27/1,453,492.58 = 428,959.85/x
  3. Step 3: Cross multiply
    968,777.27x = 1,453,492.58 × 428,959.85
  4. Step 4: Simplify right side
    968,777.27x = 623,489,949,680.65
  5. Step 5: Solve for x
    x = 623,489,949,680.65/968,777.27
  6. Step 6: Final answer
    x = 643,584.42

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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.