Home / 454,518.20-681,777.30-384,534.20

Finding the Fourth Proportional to 454,518.20, 681,777.30 and 384,534.20

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Solution

The fourth proportional to 454,518.20, 681,777.30 and 384,534.20 is: 576,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,518.20 : 681,777.30 = 384,534.20 : x
  2. Step 2: Convert to fraction form
    454,518.20/681,777.30 = 384,534.20/x
  3. Step 3: Cross multiply
    454,518.20x = 681,777.30 × 384,534.20
  4. Step 4: Simplify right side
    454,518.20x = 262,166,688,633.66
  5. Step 5: Solve for x
    x = 262,166,688,633.66/454,518.20
  6. Step 6: Final answer
    x = 576,801.30

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Similar ratio
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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.