Home / 1,186,169.67-1,636,849.40-702,779.49

Finding the Fourth Proportional to 1,186,169.67, 1,636,849.40 and 702,779.49

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Solution

The fourth proportional to 1,186,169.67, 1,636,849.40 and 702,779.49 is: 969,797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,169.67 : 1,636,849.40 = 702,779.49 : x
  2. Step 2: Convert to fraction form
    1,186,169.67/1,636,849.40 = 702,779.49/x
  3. Step 3: Cross multiply
    1,186,169.67x = 1,636,849.40 × 702,779.49
  4. Step 4: Simplify right side
    1,186,169.67x = 1,150,344,186,538.81
  5. Step 5: Solve for x
    x = 1,150,344,186,538.81/1,186,169.67
  6. Step 6: Final answer
    x = 969,797.34

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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.