Home / 698,279.37-1,047,417.69-192,839.07

Finding the Fourth Proportional to 698,279.37, 1,047,417.69 and 192,839.07

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Solution

The fourth proportional to 698,279.37, 1,047,417.69 and 192,839.07 is: 289,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,279.37 : 1,047,417.69 = 192,839.07 : x
  2. Step 2: Convert to fraction form
    698,279.37/1,047,417.69 = 192,839.07/x
  3. Step 3: Cross multiply
    698,279.37x = 1,047,417.69 × 192,839.07
  4. Step 4: Simplify right side
    698,279.37x = 201,983,049,578.32
  5. Step 5: Solve for x
    x = 201,983,049,578.32/698,279.37
  6. Step 6: Final answer
    x = 289,258.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.