Home / 957,792.66-1,321,762.42-528,088.20

Finding the Fourth Proportional to 957,792.66, 1,321,762.42 and 528,088.20

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Solution

The fourth proportional to 957,792.66, 1,321,762.42 and 528,088.20 is: 728,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,792.66 : 1,321,762.42 = 528,088.20 : x
  2. Step 2: Convert to fraction form
    957,792.66/1,321,762.42 = 528,088.20/x
  3. Step 3: Cross multiply
    957,792.66x = 1,321,762.42 × 528,088.20
  4. Step 4: Simplify right side
    957,792.66x = 698,007,137,205.44
  5. Step 5: Solve for x
    x = 698,007,137,205.44/957,792.66
  6. Step 6: Final answer
    x = 728,766.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.