Home / 607,919.43-839,032.99-353,418.24

Finding the Fourth Proportional to 607,919.43, 839,032.99 and 353,418.24

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Solution

The fourth proportional to 607,919.43, 839,032.99 and 353,418.24 is: 487,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,919.43 : 839,032.99 = 353,418.24 : x
  2. Step 2: Convert to fraction form
    607,919.43/839,032.99 = 353,418.24/x
  3. Step 3: Cross multiply
    607,919.43x = 839,032.99 × 353,418.24
  4. Step 4: Simplify right side
    607,919.43x = 296,529,561,744.19
  5. Step 5: Solve for x
    x = 296,529,561,744.19/607,919.43
  6. Step 6: Final answer
    x = 487,777.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.