Home / 1,376,181.40-1,899,153.81-756,012.65

Finding the Fourth Proportional to 1,376,181.40, 1,899,153.81 and 756,012.65

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Solution

The fourth proportional to 1,376,181.40, 1,899,153.81 and 756,012.65 is: 1,043,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,181.40 : 1,899,153.81 = 756,012.65 : x
  2. Step 2: Convert to fraction form
    1,376,181.40/1,899,153.81 = 756,012.65/x
  3. Step 3: Cross multiply
    1,376,181.40x = 1,899,153.81 × 756,012.65
  4. Step 4: Simplify right side
    1,376,181.40x = 1,435,784,300,501.30
  5. Step 5: Solve for x
    x = 1,435,784,300,501.30/1,376,181.40
  6. Step 6: Final answer
    x = 1,043,310.35

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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.