Home / 1,162,768.51-1,604,259.91-678,984.67

Finding the Fourth Proportional to 1,162,768.51, 1,604,259.91 and 678,984.67

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Solution

The fourth proportional to 1,162,768.51, 1,604,259.91 and 678,984.67 is: 936,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,768.51 : 1,604,259.91 = 678,984.67 : x
  2. Step 2: Convert to fraction form
    1,162,768.51/1,604,259.91 = 678,984.67/x
  3. Step 3: Cross multiply
    1,162,768.51x = 1,604,259.91 × 678,984.67
  4. Step 4: Simplify right side
    1,162,768.51x = 1,089,267,885,585.58
  5. Step 5: Solve for x
    x = 1,089,267,885,585.58/1,162,768.51
  6. Step 6: Final answer
    x = 936,788.26

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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.