Home / 1,363,320.90-1,880,691.42-1,040,470.50

Finding the Fourth Proportional to 1,363,320.90, 1,880,691.42 and 1,040,470.50

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Solution

The fourth proportional to 1,363,320.90, 1,880,691.42 and 1,040,470.50 is: 1,435,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,320.90 : 1,880,691.42 = 1,040,470.50 : x
  2. Step 2: Convert to fraction form
    1,363,320.90/1,880,691.42 = 1,040,470.50/x
  3. Step 3: Cross multiply
    1,363,320.90x = 1,880,691.42 × 1,040,470.50
  4. Step 4: Simplify right side
    1,363,320.90x = 1,956,803,942,113.11
  5. Step 5: Solve for x
    x = 1,956,803,942,113.11/1,363,320.90
  6. Step 6: Final answer
    x = 1,435,321.60

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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.