Home / 666,384.03-919,631.07-364,578.03

Finding the Fourth Proportional to 666,384.03, 919,631.07 and 364,578.03

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Solution

The fourth proportional to 666,384.03, 919,631.07 and 364,578.03 is: 503,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,384.03 : 919,631.07 = 364,578.03 : x
  2. Step 2: Convert to fraction form
    666,384.03/919,631.07 = 364,578.03/x
  3. Step 3: Cross multiply
    666,384.03x = 919,631.07 × 364,578.03
  4. Step 4: Simplify right side
    666,384.03x = 335,277,283,827.39
  5. Step 5: Solve for x
    x = 335,277,283,827.39/666,384.03
  6. Step 6: Final answer
    x = 503,129.23

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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.