Home / 1,168,992.85-1,613,086.95-678,866.67

Finding the Fourth Proportional to 1,168,992.85, 1,613,086.95 and 678,866.67

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Solution

The fourth proportional to 1,168,992.85, 1,613,086.95 and 678,866.67 is: 936,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,992.85 : 1,613,086.95 = 678,866.67 : x
  2. Step 2: Convert to fraction form
    1,168,992.85/1,613,086.95 = 678,866.67/x
  3. Step 3: Cross multiply
    1,168,992.85x = 1,613,086.95 × 678,866.67
  4. Step 4: Simplify right side
    1,168,992.85x = 1,095,070,964,416.77
  5. Step 5: Solve for x
    x = 1,095,070,964,416.77/1,168,992.85
  6. Step 6: Final answer
    x = 936,764.47

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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.