Home / 1,174,911.75-1,621,379.84-665,648.55

Finding the Fourth Proportional to 1,174,911.75, 1,621,379.84 and 665,648.55

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Solution

The fourth proportional to 1,174,911.75, 1,621,379.84 and 665,648.55 is: 918,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,911.75 : 1,621,379.84 = 665,648.55 : x
  2. Step 2: Convert to fraction form
    1,174,911.75/1,621,379.84 = 665,648.55/x
  3. Step 3: Cross multiply
    1,174,911.75x = 1,621,379.84 × 665,648.55
  4. Step 4: Simplify right side
    1,174,911.75x = 1,079,269,136,166.99
  5. Step 5: Solve for x
    x = 1,079,269,136,166.99/1,174,911.75
  6. Step 6: Final answer
    x = 918,595.92

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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.