Home / 538,629.95-743,275.95-296,900.03

Finding the Fourth Proportional to 538,629.95, 743,275.95 and 296,900.03

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Solution

The fourth proportional to 538,629.95, 743,275.95 and 296,900.03 is: 409,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,629.95 : 743,275.95 = 296,900.03 : x
  2. Step 2: Convert to fraction form
    538,629.95/743,275.95 = 296,900.03/x
  3. Step 3: Cross multiply
    538,629.95x = 743,275.95 × 296,900.03
  4. Step 4: Simplify right side
    538,629.95x = 220,678,652,598.09
  5. Step 5: Solve for x
    x = 220,678,652,598.09/538,629.95
  6. Step 6: Final answer
    x = 409,703.64

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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.