Home / 777,732.48-1,164,579.84-666,131.04

Finding the Fourth Proportional to 777,732.48, 1,164,579.84 and 666,131.04

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Solution

The fourth proportional to 777,732.48, 1,164,579.84 and 666,131.04 is: 997,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,732.48 : 1,164,579.84 = 666,131.04 : x
  2. Step 2: Convert to fraction form
    777,732.48/1,164,579.84 = 666,131.04/x
  3. Step 3: Cross multiply
    777,732.48x = 1,164,579.84 × 666,131.04
  4. Step 4: Simplify right side
    777,732.48x = 775,762,779,982.23
  5. Step 5: Solve for x
    x = 775,762,779,982.23/777,732.48
  6. Step 6: Final answer
    x = 997,467.38

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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.