Home / 1,363,317.90-1,880,687.28-1,040,467.50

Finding the Fourth Proportional to 1,363,317.90, 1,880,687.28 and 1,040,467.50

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Solution

The fourth proportional to 1,363,317.90, 1,880,687.28 and 1,040,467.50 is: 1,435,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,317.90 : 1,880,687.28 = 1,040,467.50 : x
  2. Step 2: Convert to fraction form
    1,363,317.90/1,880,687.28 = 1,040,467.50/x
  3. Step 3: Cross multiply
    1,363,317.90x = 1,880,687.28 × 1,040,467.50
  4. Step 4: Simplify right side
    1,363,317.90x = 1,956,793,992,503.40
  5. Step 5: Solve for x
    x = 1,956,793,992,503.40/1,363,317.90
  6. Step 6: Final answer
    x = 1,435,317.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.