Home / 714,112.37-985,474.97-408,195.33

Finding the Fourth Proportional to 714,112.37, 985,474.97 and 408,195.33

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Solution

The fourth proportional to 714,112.37, 985,474.97 and 408,195.33 is: 563,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,112.37 : 985,474.97 = 408,195.33 : x
  2. Step 2: Convert to fraction form
    714,112.37/985,474.97 = 408,195.33/x
  3. Step 3: Cross multiply
    714,112.37x = 985,474.97 × 408,195.33
  4. Step 4: Simplify right side
    714,112.37x = 402,266,284,219.51
  5. Step 5: Solve for x
    x = 402,266,284,219.51/714,112.37
  6. Step 6: Final answer
    x = 563,309.50

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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.