Home / 1,876,804.11-2,814,611.63-678,567.87

Finding the Fourth Proportional to 1,876,804.11, 2,814,611.63 and 678,567.87

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Solution

The fourth proportional to 1,876,804.11, 2,814,611.63 and 678,567.87 is: 1,017,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,804.11 : 2,814,611.63 = 678,567.87 : x
  2. Step 2: Convert to fraction form
    1,876,804.11/2,814,611.63 = 678,567.87/x
  3. Step 3: Cross multiply
    1,876,804.11x = 2,814,611.63 × 678,567.87
  4. Step 4: Simplify right side
    1,876,804.11x = 1,909,905,015,253.49
  5. Step 5: Solve for x
    x = 1,909,905,015,253.49/1,876,804.11
  6. Step 6: Final answer
    x = 1,017,636.85

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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.