Home / 725,482.38-1,088,222.26-193,003.40

Finding the Fourth Proportional to 725,482.38, 1,088,222.26 and 193,003.40

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Solution

The fourth proportional to 725,482.38, 1,088,222.26 and 193,003.40 is: 289,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,482.38 : 1,088,222.26 = 193,003.40 : x
  2. Step 2: Convert to fraction form
    725,482.38/1,088,222.26 = 193,003.40/x
  3. Step 3: Cross multiply
    725,482.38x = 1,088,222.26 × 193,003.40
  4. Step 4: Simplify right side
    725,482.38x = 210,030,596,135.68
  5. Step 5: Solve for x
    x = 210,030,596,135.68/725,482.38
  6. Step 6: Final answer
    x = 289,504.75

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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.