Home / 1,638,737.40-2,458,106.16-516,893.88

Finding the Fourth Proportional to 1,638,737.40, 2,458,106.16 and 516,893.88

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Solution

The fourth proportional to 1,638,737.40, 2,458,106.16 and 516,893.88 is: 775,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,737.40 : 2,458,106.16 = 516,893.88 : x
  2. Step 2: Convert to fraction form
    1,638,737.40/2,458,106.16 = 516,893.88/x
  3. Step 3: Cross multiply
    1,638,737.40x = 2,458,106.16 × 516,893.88
  4. Step 4: Simplify right side
    1,638,737.40x = 1,270,580,030,494.30
  5. Step 5: Solve for x
    x = 1,270,580,030,494.30/1,638,737.40
  6. Step 6: Final answer
    x = 775,340.84

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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.