Home / 714,780.32-1,072,170.86-448,727.67

Finding the Fourth Proportional to 714,780.32, 1,072,170.86 and 448,727.67

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Solution

The fourth proportional to 714,780.32, 1,072,170.86 and 448,727.67 is: 673,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,780.32 : 1,072,170.86 = 448,727.67 : x
  2. Step 2: Convert to fraction form
    714,780.32/1,072,170.86 = 448,727.67/x
  3. Step 3: Cross multiply
    714,780.32x = 1,072,170.86 × 448,727.67
  4. Step 4: Simplify right side
    714,780.32x = 481,112,729,606.06
  5. Step 5: Solve for x
    x = 481,112,729,606.06/714,780.32
  6. Step 6: Final answer
    x = 673,091.75

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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.