Home / 483,126.47-666,733.71-279,170.63

Finding the Fourth Proportional to 483,126.47, 666,733.71 and 279,170.63

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Solution

The fourth proportional to 483,126.47, 666,733.71 and 279,170.63 is: 385,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,126.47 : 666,733.71 = 279,170.63 : x
  2. Step 2: Convert to fraction form
    483,126.47/666,733.71 = 279,170.63/x
  3. Step 3: Cross multiply
    483,126.47x = 666,733.71 × 279,170.63
  4. Step 4: Simplify right side
    483,126.47x = 186,132,466,529.27
  5. Step 5: Solve for x
    x = 186,132,466,529.27/483,126.47
  6. Step 6: Final answer
    x = 385,266.55

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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.