Home / 694,976.54-959,158.08-389,169.38

Finding the Fourth Proportional to 694,976.54, 959,158.08 and 389,169.38

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Solution

The fourth proportional to 694,976.54, 959,158.08 and 389,169.38 is: 537,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,976.54 : 959,158.08 = 389,169.38 : x
  2. Step 2: Convert to fraction form
    694,976.54/959,158.08 = 389,169.38/x
  3. Step 3: Cross multiply
    694,976.54x = 959,158.08 × 389,169.38
  4. Step 4: Simplify right side
    694,976.54x = 373,274,955,315.59
  5. Step 5: Solve for x
    x = 373,274,955,315.59/694,976.54
  6. Step 6: Final answer
    x = 537,104.40

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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.