Home / 1,386,019.35-2,079,029.03-854,140.95

Finding the Fourth Proportional to 1,386,019.35, 2,079,029.03 and 854,140.95

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Solution

The fourth proportional to 1,386,019.35, 2,079,029.03 and 854,140.95 is: 1,281,211.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,019.35 : 2,079,029.03 = 854,140.95 : x
  2. Step 2: Convert to fraction form
    1,386,019.35/2,079,029.03 = 854,140.95/x
  3. Step 3: Cross multiply
    1,386,019.35x = 2,079,029.03 × 854,140.95
  4. Step 4: Simplify right side
    1,386,019.35x = 1,775,783,826,491.07
  5. Step 5: Solve for x
    x = 1,775,783,826,491.07/1,386,019.35
  6. Step 6: Final answer
    x = 1,281,211.43

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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.