Home / 961,639.09-1,325,522.23-651,447.31

Finding the Fourth Proportional to 961,639.09, 1,325,522.23 and 651,447.31

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Solution

The fourth proportional to 961,639.09, 1,325,522.23 and 651,447.31 is: 897,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,639.09 : 1,325,522.23 = 651,447.31 : x
  2. Step 2: Convert to fraction form
    961,639.09/1,325,522.23 = 651,447.31/x
  3. Step 3: Cross multiply
    961,639.09x = 1,325,522.23 × 651,447.31
  4. Step 4: Simplify right side
    961,639.09x = 863,507,891,078.70
  5. Step 5: Solve for x
    x = 863,507,891,078.70/961,639.09
  6. Step 6: Final answer
    x = 897,954.23

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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.