Home / 446,023.60-669,035.40-257,066.80

Finding the Fourth Proportional to 446,023.60, 669,035.40 and 257,066.80

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Solution

The fourth proportional to 446,023.60, 669,035.40 and 257,066.80 is: 385,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,023.60 : 669,035.40 = 257,066.80 : x
  2. Step 2: Convert to fraction form
    446,023.60/669,035.40 = 257,066.80/x
  3. Step 3: Cross multiply
    446,023.60x = 669,035.40 × 257,066.80
  4. Step 4: Simplify right side
    446,023.60x = 171,986,789,364.72
  5. Step 5: Solve for x
    x = 171,986,789,364.72/446,023.60
  6. Step 6: Final answer
    x = 385,600.20

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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.