Home / 1,265,985.74-1,899,063.11-445,225.86

Finding the Fourth Proportional to 1,265,985.74, 1,899,063.11 and 445,225.86

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Solution

The fourth proportional to 1,265,985.74, 1,899,063.11 and 445,225.86 is: 667,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,985.74 : 1,899,063.11 = 445,225.86 : x
  2. Step 2: Convert to fraction form
    1,265,985.74/1,899,063.11 = 445,225.86/x
  3. Step 3: Cross multiply
    1,265,985.74x = 1,899,063.11 × 445,225.86
  4. Step 4: Simplify right side
    1,265,985.74x = 845,512,006,344.03
  5. Step 5: Solve for x
    x = 845,512,006,344.03/1,265,985.74
  6. Step 6: Final answer
    x = 667,868.51

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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.