Home / 335,117.20-503,712.60-328,896.40

Finding the Fourth Proportional to 335,117.20, 503,712.60 and 328,896.40

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Solution

The fourth proportional to 335,117.20, 503,712.60 and 328,896.40 is: 494,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,117.20 : 503,712.60 = 328,896.40 : x
  2. Step 2: Convert to fraction form
    335,117.20/503,712.60 = 328,896.40/x
  3. Step 3: Cross multiply
    335,117.20x = 503,712.60 × 328,896.40
  4. Step 4: Simplify right side
    335,117.20x = 165,669,260,774.64
  5. Step 5: Solve for x
    x = 165,669,260,774.64/335,117.20
  6. Step 6: Final answer
    x = 494,362.15

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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.