Home / 412,062.10-616,985.76-261,487.15

Finding the Fourth Proportional to 412,062.10, 616,985.76 and 261,487.15

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Solution

The fourth proportional to 412,062.10, 616,985.76 and 261,487.15 is: 391,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,062.10 : 616,985.76 = 261,487.15 : x
  2. Step 2: Convert to fraction form
    412,062.10/616,985.76 = 261,487.15/x
  3. Step 3: Cross multiply
    412,062.10x = 616,985.76 × 261,487.15
  4. Step 4: Simplify right side
    412,062.10x = 161,333,847,972.98
  5. Step 5: Solve for x
    x = 161,333,847,972.98/412,062.10
  6. Step 6: Final answer
    x = 391,528.00

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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.