Home / 626,633.20-939,731.10-327,014.20

Finding the Fourth Proportional to 626,633.20, 939,731.10 and 327,014.20

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Solution

The fourth proportional to 626,633.20, 939,731.10 and 327,014.20 is: 490,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,633.20 : 939,731.10 = 327,014.20 : x
  2. Step 2: Convert to fraction form
    626,633.20/939,731.10 = 327,014.20/x
  3. Step 3: Cross multiply
    626,633.20x = 939,731.10 × 327,014.20
  4. Step 4: Simplify right side
    626,633.20x = 307,305,413,881.62
  5. Step 5: Solve for x
    x = 307,305,413,881.62/626,633.20
  6. Step 6: Final answer
    x = 490,407.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.