Home / 419,844.56-579,466.36-291,132.32

Finding the Fourth Proportional to 419,844.56, 579,466.36 and 291,132.32

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Solution

The fourth proportional to 419,844.56, 579,466.36 and 291,132.32 is: 401,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,844.56 : 579,466.36 = 291,132.32 : x
  2. Step 2: Convert to fraction form
    419,844.56/579,466.36 = 291,132.32/x
  3. Step 3: Cross multiply
    419,844.56x = 579,466.36 × 291,132.32
  4. Step 4: Simplify right side
    419,844.56x = 168,701,385,748.76
  5. Step 5: Solve for x
    x = 168,701,385,748.76/419,844.56
  6. Step 6: Final answer
    x = 401,818.68

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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.