Home / 415,921.80-623,880.66-163,023.60

Finding the Fourth Proportional to 415,921.80, 623,880.66 and 163,023.60

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Solution

The fourth proportional to 415,921.80, 623,880.66 and 163,023.60 is: 244,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,921.80 : 623,880.66 = 163,023.60 : x
  2. Step 2: Convert to fraction form
    415,921.80/623,880.66 = 163,023.60/x
  3. Step 3: Cross multiply
    415,921.80x = 623,880.66 × 163,023.60
  4. Step 4: Simplify right side
    415,921.80x = 101,707,271,163.58
  5. Step 5: Solve for x
    x = 101,707,271,163.58/415,921.80
  6. Step 6: Final answer
    x = 244,534.60

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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.