Home / 1,112,217.26-1,668,457.11-833,505.98

Finding the Fourth Proportional to 1,112,217.26, 1,668,457.11 and 833,505.98

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Solution

The fourth proportional to 1,112,217.26, 1,668,457.11 and 833,505.98 is: 1,250,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,217.26 : 1,668,457.11 = 833,505.98 : x
  2. Step 2: Convert to fraction form
    1,112,217.26/1,668,457.11 = 833,505.98/x
  3. Step 3: Cross multiply
    1,112,217.26x = 1,668,457.11 × 833,505.98
  4. Step 4: Simplify right side
    1,112,217.26x = 1,390,668,978,558.52
  5. Step 5: Solve for x
    x = 1,390,668,978,558.52/1,112,217.26
  6. Step 6: Final answer
    x = 1,250,357.31

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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.