Home / 626,020.63-863,920.25-384,182.17

Finding the Fourth Proportional to 626,020.63, 863,920.25 and 384,182.17

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Solution

The fourth proportional to 626,020.63, 863,920.25 and 384,182.17 is: 530,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,020.63 : 863,920.25 = 384,182.17 : x
  2. Step 2: Convert to fraction form
    626,020.63/863,920.25 = 384,182.17/x
  3. Step 3: Cross multiply
    626,020.63x = 863,920.25 × 384,182.17
  4. Step 4: Simplify right side
    626,020.63x = 331,902,754,431.03
  5. Step 5: Solve for x
    x = 331,902,754,431.03/626,020.63
  6. Step 6: Final answer
    x = 530,178.62

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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.