Home / 1,420,880.70-1,960,131.78-1,033,095.20

Finding the Fourth Proportional to 1,420,880.70, 1,960,131.78 and 1,033,095.20

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Solution

The fourth proportional to 1,420,880.70, 1,960,131.78 and 1,033,095.20 is: 1,425,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,880.70 : 1,960,131.78 = 1,033,095.20 : x
  2. Step 2: Convert to fraction form
    1,420,880.70/1,960,131.78 = 1,033,095.20/x
  3. Step 3: Cross multiply
    1,420,880.70x = 1,960,131.78 × 1,033,095.20
  4. Step 4: Simplify right side
    1,420,880.70x = 2,025,002,733,285.46
  5. Step 5: Solve for x
    x = 2,025,002,733,285.46/1,420,880.70
  6. Step 6: Final answer
    x = 1,425,174.35

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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.