Home / 557,777-839,700.41-508,175.84

Finding the Fourth Proportional to 557,777, 839,700.41 and 508,175.84

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Solution

The fourth proportional to 557,777, 839,700.41 and 508,175.84 is: 765,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,777 : 839,700.41 = 508,175.84 : x
  2. Step 2: Convert to fraction form
    557,777/839,700.41 = 508,175.84/x
  3. Step 3: Cross multiply
    557,777x = 839,700.41 × 508,175.84
  4. Step 4: Simplify right side
    557,777x = 426,715,461,200.09
  5. Step 5: Solve for x
    x = 426,715,461,200.09/557,777
  6. Step 6: Final answer
    x = 765,028.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.