Home / 694,976.17-959,014.14-388,982.47

Finding the Fourth Proportional to 694,976.17, 959,014.14 and 388,982.47

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Solution

The fourth proportional to 694,976.17, 959,014.14 and 388,982.47 is: 536,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,976.17 : 959,014.14 = 388,982.47 : x
  2. Step 2: Convert to fraction form
    694,976.17/959,014.14 = 388,982.47/x
  3. Step 3: Cross multiply
    694,976.17x = 959,014.14 × 388,982.47
  4. Step 4: Simplify right side
    694,976.17x = 373,039,688,942.13
  5. Step 5: Solve for x
    x = 373,039,688,942.13/694,976.17
  6. Step 6: Final answer
    x = 536,766.16

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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.