Home / 579,902.84-799,912.16-383,669.00

Finding the Fourth Proportional to 579,902.84, 799,912.16 and 383,669.00

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Solution

The fourth proportional to 579,902.84, 799,912.16 and 383,669.00 is: 529,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,902.84 : 799,912.16 = 383,669.00 : x
  2. Step 2: Convert to fraction form
    579,902.84/799,912.16 = 383,669.00/x
  3. Step 3: Cross multiply
    579,902.84x = 799,912.16 × 383,669.00
  4. Step 4: Simplify right side
    579,902.84x = 306,901,492,597.13
  5. Step 5: Solve for x
    x = 306,901,492,597.13/579,902.84
  6. Step 6: Final answer
    x = 529,229.16

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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.