Home / 489,026.70-733,540.05-459,502.20

Finding the Fourth Proportional to 489,026.70, 733,540.05 and 459,502.20

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Solution

The fourth proportional to 489,026.70, 733,540.05 and 459,502.20 is: 689,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,026.70 : 733,540.05 = 459,502.20 : x
  2. Step 2: Convert to fraction form
    489,026.70/733,540.05 = 459,502.20/x
  3. Step 3: Cross multiply
    489,026.70x = 733,540.05 × 459,502.20
  4. Step 4: Simplify right side
    489,026.70x = 337,063,266,763.11
  5. Step 5: Solve for x
    x = 337,063,266,763.11/489,026.70
  6. Step 6: Final answer
    x = 689,253.30

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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.