Home / 1,427,207.40-2,140,818.28-362,249.80

Finding the Fourth Proportional to 1,427,207.40, 2,140,818.28 and 362,249.80

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Solution

The fourth proportional to 1,427,207.40, 2,140,818.28 and 362,249.80 is: 543,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,207.40 : 2,140,818.28 = 362,249.80 : x
  2. Step 2: Convert to fraction form
    1,427,207.40/2,140,818.28 = 362,249.80/x
  3. Step 3: Cross multiply
    1,427,207.40x = 2,140,818.28 × 362,249.80
  4. Step 4: Simplify right side
    1,427,207.40x = 775,510,993,766.34
  5. Step 5: Solve for x
    x = 775,510,993,766.34/1,427,207.40
  6. Step 6: Final answer
    x = 543,376.52

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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.