Home / 1,880,828.41-2,596,337.70-1,269,808.78

Finding the Fourth Proportional to 1,880,828.41, 2,596,337.70 and 1,269,808.78

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Solution

The fourth proportional to 1,880,828.41, 2,596,337.70 and 1,269,808.78 is: 1,752,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,828.41 : 2,596,337.70 = 1,269,808.78 : x
  2. Step 2: Convert to fraction form
    1,880,828.41/2,596,337.70 = 1,269,808.78/x
  3. Step 3: Cross multiply
    1,880,828.41x = 2,596,337.70 × 1,269,808.78
  4. Step 4: Simplify right side
    1,880,828.41x = 3,296,852,407,305.01
  5. Step 5: Solve for x
    x = 3,296,852,407,305.01/1,880,828.41
  6. Step 6: Final answer
    x = 1,752,872.51

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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.