Home / 450,981.57-622,330.47-247,021.95

Finding the Fourth Proportional to 450,981.57, 622,330.47 and 247,021.95

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Solution

The fourth proportional to 450,981.57, 622,330.47 and 247,021.95 is: 340,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,981.57 : 622,330.47 = 247,021.95 : x
  2. Step 2: Convert to fraction form
    450,981.57/622,330.47 = 247,021.95/x
  3. Step 3: Cross multiply
    450,981.57x = 622,330.47 × 247,021.95
  4. Step 4: Simplify right side
    450,981.57x = 153,729,286,243.82
  5. Step 5: Solve for x
    x = 153,729,286,243.82/450,981.57
  6. Step 6: Final answer
    x = 340,877.09

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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.