Home / 913,834.36-1,260,926.49-526,579.84

Finding the Fourth Proportional to 913,834.36, 1,260,926.49 and 526,579.84

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Solution

The fourth proportional to 913,834.36, 1,260,926.49 and 526,579.84 is: 726,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,834.36 : 1,260,926.49 = 526,579.84 : x
  2. Step 2: Convert to fraction form
    913,834.36/1,260,926.49 = 526,579.84/x
  3. Step 3: Cross multiply
    913,834.36x = 1,260,926.49 × 526,579.84
  4. Step 4: Simplify right side
    913,834.36x = 663,978,469,355.96
  5. Step 5: Solve for x
    x = 663,978,469,355.96/913,834.36
  6. Step 6: Final answer
    x = 726,585.14

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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.