Home / 1,212,484.62-1,673,379.63-696,400.14

Finding the Fourth Proportional to 1,212,484.62, 1,673,379.63 and 696,400.14

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Solution

The fourth proportional to 1,212,484.62, 1,673,379.63 and 696,400.14 is: 961,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,484.62 : 1,673,379.63 = 696,400.14 : x
  2. Step 2: Convert to fraction form
    1,212,484.62/1,673,379.63 = 696,400.14/x
  3. Step 3: Cross multiply
    1,212,484.62x = 1,673,379.63 × 696,400.14
  4. Step 4: Simplify right side
    1,212,484.62x = 1,165,341,808,605.15
  5. Step 5: Solve for x
    x = 1,165,341,808,605.15/1,212,484.62
  6. Step 6: Final answer
    x = 961,118.84

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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.