Home / 419,869.04-629,738.60-153,567.28

Finding the Fourth Proportional to 419,869.04, 629,738.60 and 153,567.28

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Solution

The fourth proportional to 419,869.04, 629,738.60 and 153,567.28 is: 230,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,869.04 : 629,738.60 = 153,567.28 : x
  2. Step 2: Convert to fraction form
    419,869.04/629,738.60 = 153,567.28/x
  3. Step 3: Cross multiply
    419,869.04x = 629,738.60 × 153,567.28
  4. Step 4: Simplify right side
    419,869.04x = 96,707,243,913.01
  5. Step 5: Solve for x
    x = 96,707,243,913.01/419,869.04
  6. Step 6: Final answer
    x = 230,327.16

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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.