Home / 450,583.84-621,763.56-269,259.76

Finding the Fourth Proportional to 450,583.84, 621,763.56 and 269,259.76

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Solution

The fourth proportional to 450,583.84, 621,763.56 and 269,259.76 is: 371,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,583.84 : 621,763.56 = 269,259.76 : x
  2. Step 2: Convert to fraction form
    450,583.84/621,763.56 = 269,259.76/x
  3. Step 3: Cross multiply
    450,583.84x = 621,763.56 × 269,259.76
  4. Step 4: Simplify right side
    450,583.84x = 167,415,906,942.35
  5. Step 5: Solve for x
    x = 167,415,906,942.35/450,583.84
  6. Step 6: Final answer
    x = 371,553.29

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1.5x scale

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.