Home / 1,162,767.51-1,604,258.53-678,983.67

Finding the Fourth Proportional to 1,162,767.51, 1,604,258.53 and 678,983.67

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Solution

The fourth proportional to 1,162,767.51, 1,604,258.53 and 678,983.67 is: 936,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,767.51 : 1,604,258.53 = 678,983.67 : x
  2. Step 2: Convert to fraction form
    1,162,767.51/1,604,258.53 = 678,983.67/x
  3. Step 3: Cross multiply
    1,162,767.51x = 1,604,258.53 × 678,983.67
  4. Step 4: Simplify right side
    1,162,767.51x = 1,089,265,342,630.75
  5. Step 5: Solve for x
    x = 1,089,265,342,630.75/1,162,767.51
  6. Step 6: Final answer
    x = 936,786.88

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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.