Home / 1,490,257.50-2,056,555.62-811,194

Finding the Fourth Proportional to 1,490,257.50, 2,056,555.62 and 811,194

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Solution

The fourth proportional to 1,490,257.50, 2,056,555.62 and 811,194 is: 1,119,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,257.50 : 2,056,555.62 = 811,194 : x
  2. Step 2: Convert to fraction form
    1,490,257.50/2,056,555.62 = 811,194/x
  3. Step 3: Cross multiply
    1,490,257.50x = 2,056,555.62 × 811,194
  4. Step 4: Simplify right side
    1,490,257.50x = 1,668,265,579,610.28
  5. Step 5: Solve for x
    x = 1,668,265,579,610.28/1,490,257.50
  6. Step 6: Final answer
    x = 1,119,447.87

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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.