Home / 991,650.94-1,487,897.30-541,846.40

Finding the Fourth Proportional to 991,650.94, 1,487,897.30 and 541,846.40

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Solution

The fourth proportional to 991,650.94, 1,487,897.30 and 541,846.40 is: 812,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,650.94 : 1,487,897.30 = 541,846.40 : x
  2. Step 2: Convert to fraction form
    991,650.94/1,487,897.30 = 541,846.40/x
  3. Step 3: Cross multiply
    991,650.94x = 1,487,897.30 × 541,846.40
  4. Step 4: Simplify right side
    991,650.94x = 806,211,789,489.85
  5. Step 5: Solve for x
    x = 806,211,789,489.85/991,650.94
  6. Step 6: Final answer
    x = 812,999.57

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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.