Home / 1,561,818.21-2,342,916.89-439,887.21

Finding the Fourth Proportional to 1,561,818.21, 2,342,916.89 and 439,887.21

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Solution

The fourth proportional to 1,561,818.21, 2,342,916.89 and 439,887.21 is: 659,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,818.21 : 2,342,916.89 = 439,887.21 : x
  2. Step 2: Convert to fraction form
    1,561,818.21/2,342,916.89 = 439,887.21/x
  3. Step 3: Cross multiply
    1,561,818.21x = 2,342,916.89 × 439,887.21
  4. Step 4: Simplify right side
    1,561,818.21x = 1,030,619,179,084.27
  5. Step 5: Solve for x
    x = 1,030,619,179,084.27/1,561,818.21
  6. Step 6: Final answer
    x = 659,884.21

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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.