Home / 1,778,359.23-2,667,545.33-430,519.37

Finding the Fourth Proportional to 1,778,359.23, 2,667,545.33 and 430,519.37

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Solution

The fourth proportional to 1,778,359.23, 2,667,545.33 and 430,519.37 is: 645,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,359.23 : 2,667,545.33 = 430,519.37 : x
  2. Step 2: Convert to fraction form
    1,778,359.23/2,667,545.33 = 430,519.37/x
  3. Step 3: Cross multiply
    1,778,359.23x = 2,667,545.33 × 430,519.37
  4. Step 4: Simplify right side
    1,778,359.23x = 1,148,429,919,427.72
  5. Step 5: Solve for x
    x = 1,148,429,919,427.72/1,778,359.23
  6. Step 6: Final answer
    x = 645,780.62

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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.