Home / 465,583.05-698,367.66-128,616.25

Finding the Fourth Proportional to 465,583.05, 698,367.66 and 128,616.25

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Solution

The fourth proportional to 465,583.05, 698,367.66 and 128,616.25 is: 192,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,583.05 : 698,367.66 = 128,616.25 : x
  2. Step 2: Convert to fraction form
    465,583.05/698,367.66 = 128,616.25/x
  3. Step 3: Cross multiply
    465,583.05x = 698,367.66 × 128,616.25
  4. Step 4: Simplify right side
    465,583.05x = 89,821,426,677.04
  5. Step 5: Solve for x
    x = 89,821,426,677.04/465,583.05
  6. Step 6: Final answer
    x = 192,922.46

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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.