Home / 913,620.69-1,260,931.67-526,362.37

Finding the Fourth Proportional to 913,620.69, 1,260,931.67 and 526,362.37

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Solution

The fourth proportional to 913,620.69, 1,260,931.67 and 526,362.37 is: 726,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,620.69 : 1,260,931.67 = 526,362.37 : x
  2. Step 2: Convert to fraction form
    913,620.69/1,260,931.67 = 526,362.37/x
  3. Step 3: Cross multiply
    913,620.69x = 1,260,931.67 × 526,362.37
  4. Step 4: Simplify right side
    913,620.69x = 663,706,982,229.26
  5. Step 5: Solve for x
    x = 663,706,982,229.26/913,620.69
  6. Step 6: Final answer
    x = 726,457.92

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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.