Home / 1,261,410.44-1,890,472.78-512,581

Finding the Fourth Proportional to 1,261,410.44, 1,890,472.78 and 512,581

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Solution

The fourth proportional to 1,261,410.44, 1,890,472.78 and 512,581 is: 768,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,410.44 : 1,890,472.78 = 512,581 : x
  2. Step 2: Convert to fraction form
    1,261,410.44/1,890,472.78 = 512,581/x
  3. Step 3: Cross multiply
    1,261,410.44x = 1,890,472.78 × 512,581
  4. Step 4: Simplify right side
    1,261,410.44x = 969,020,428,045.18
  5. Step 5: Solve for x
    x = 969,020,428,045.18/1,261,410.44
  6. Step 6: Final answer
    x = 768,203.91

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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.