Home / 1,555,226.69-2,146,258.31-910,586.57

Finding the Fourth Proportional to 1,555,226.69, 2,146,258.31 and 910,586.57

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Solution

The fourth proportional to 1,555,226.69, 2,146,258.31 and 910,586.57 is: 1,256,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,226.69 : 2,146,258.31 = 910,586.57 : x
  2. Step 2: Convert to fraction form
    1,555,226.69/2,146,258.31 = 910,586.57/x
  3. Step 3: Cross multiply
    1,555,226.69x = 2,146,258.31 × 910,586.57
  4. Step 4: Simplify right side
    1,555,226.69x = 1,954,353,977,552.67
  5. Step 5: Solve for x
    x = 1,954,353,977,552.67/1,555,226.69
  6. Step 6: Final answer
    x = 1,256,636.09

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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.