Home / 1,778,359.30-2,667,545.76-430,519.77

Finding the Fourth Proportional to 1,778,359.30, 2,667,545.76 and 430,519.77

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Solution

The fourth proportional to 1,778,359.30, 2,667,545.76 and 430,519.77 is: 645,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,359.30 : 2,667,545.76 = 430,519.77 : x
  2. Step 2: Convert to fraction form
    1,778,359.30/2,667,545.76 = 430,519.77/x
  3. Step 3: Cross multiply
    1,778,359.30x = 2,667,545.76 × 430,519.77
  4. Step 4: Simplify right side
    1,778,359.30x = 1,148,431,187,059.68
  5. Step 5: Solve for x
    x = 1,148,431,187,059.68/1,778,359.30
  6. Step 6: Final answer
    x = 645,781.30

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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.