Home / 1,315,295.70-1,972,943.55-1,168,329.30

Finding the Fourth Proportional to 1,315,295.70, 1,972,943.55 and 1,168,329.30

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Solution

The fourth proportional to 1,315,295.70, 1,972,943.55 and 1,168,329.30 is: 1,752,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,295.70 : 1,972,943.55 = 1,168,329.30 : x
  2. Step 2: Convert to fraction form
    1,315,295.70/1,972,943.55 = 1,168,329.30/x
  3. Step 3: Cross multiply
    1,315,295.70x = 1,972,943.55 × 1,168,329.30
  4. Step 4: Simplify right side
    1,315,295.70x = 2,305,047,756,711.02
  5. Step 5: Solve for x
    x = 2,305,047,756,711.02/1,315,295.70
  6. Step 6: Final answer
    x = 1,752,493.95

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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.