Home / 1,217,959.71-1,826,673-408,458.07

Finding the Fourth Proportional to 1,217,959.71, 1,826,673 and 408,458.07

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Solution

The fourth proportional to 1,217,959.71, 1,826,673 and 408,458.07 is: 612,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,959.71 : 1,826,673 = 408,458.07 : x
  2. Step 2: Convert to fraction form
    1,217,959.71/1,826,673 = 408,458.07/x
  3. Step 3: Cross multiply
    1,217,959.71x = 1,826,673 × 408,458.07
  4. Step 4: Simplify right side
    1,217,959.71x = 746,119,328,101.11
  5. Step 5: Solve for x
    x = 746,119,328,101.11/1,217,959.71
  6. Step 6: Final answer
    x = 612,597.71

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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.