Home / 517,938.45-777,623.22-357,638.19

Finding the Fourth Proportional to 517,938.45, 777,623.22 and 357,638.19

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Solution

The fourth proportional to 517,938.45, 777,623.22 and 357,638.19 is: 536,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,938.45 : 777,623.22 = 357,638.19 : x
  2. Step 2: Convert to fraction form
    517,938.45/777,623.22 = 357,638.19/x
  3. Step 3: Cross multiply
    517,938.45x = 777,623.22 × 357,638.19
  4. Step 4: Simplify right side
    517,938.45x = 278,107,760,902.77
  5. Step 5: Solve for x
    x = 278,107,760,902.77/517,938.45
  6. Step 6: Final answer
    x = 536,951.37

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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.