Home / 1,771,371.92-2,657,040.37-811,555.20

Finding the Fourth Proportional to 1,771,371.92, 2,657,040.37 and 811,555.20

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Solution

The fourth proportional to 1,771,371.92, 2,657,040.37 and 811,555.20 is: 1,217,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,371.92 : 2,657,040.37 = 811,555.20 : x
  2. Step 2: Convert to fraction form
    1,771,371.92/2,657,040.37 = 811,555.20/x
  3. Step 3: Cross multiply
    1,771,371.92x = 2,657,040.37 × 811,555.20
  4. Step 4: Simplify right side
    1,771,371.92x = 2,156,334,926,854.54
  5. Step 5: Solve for x
    x = 2,156,334,926,854.54/1,771,371.92
  6. Step 6: Final answer
    x = 1,217,324.77

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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.