Home / 694,974.54-959,155.32-389,167.38

Finding the Fourth Proportional to 694,974.54, 959,155.32 and 389,167.38

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Solution

The fourth proportional to 694,974.54, 959,155.32 and 389,167.38 is: 537,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,974.54 : 959,155.32 = 389,167.38 : x
  2. Step 2: Convert to fraction form
    694,974.54/959,155.32 = 389,167.38/x
  3. Step 3: Cross multiply
    694,974.54x = 959,155.32 × 389,167.38
  4. Step 4: Simplify right side
    694,974.54x = 373,271,962,897.46
  5. Step 5: Solve for x
    x = 373,271,962,897.46/694,974.54
  6. Step 6: Final answer
    x = 537,101.64

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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.