Home / 629,256.49-868,333.05-371,074.23

Finding the Fourth Proportional to 629,256.49, 868,333.05 and 371,074.23

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Solution

The fourth proportional to 629,256.49, 868,333.05 and 371,074.23 is: 512,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,256.49 : 868,333.05 = 371,074.23 : x
  2. Step 2: Convert to fraction form
    629,256.49/868,333.05 = 371,074.23/x
  3. Step 3: Cross multiply
    629,256.49x = 868,333.05 × 371,074.23
  4. Step 4: Simplify right side
    629,256.49x = 322,216,017,912.30
  5. Step 5: Solve for x
    x = 322,216,017,912.30/629,256.49
  6. Step 6: Final answer
    x = 512,058.32

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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.