Home / 1,345,785.89-2,019,519.19-896,821.77

Finding the Fourth Proportional to 1,345,785.89, 2,019,519.19 and 896,821.77

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Solution

The fourth proportional to 1,345,785.89, 2,019,519.19 and 896,821.77 is: 1,345,792.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,785.89 : 2,019,519.19 = 896,821.77 : x
  2. Step 2: Convert to fraction form
    1,345,785.89/2,019,519.19 = 896,821.77/x
  3. Step 3: Cross multiply
    1,345,785.89x = 2,019,519.19 × 896,821.77
  4. Step 4: Simplify right side
    1,345,785.89x = 1,811,148,778,174.37
  5. Step 5: Solve for x
    x = 1,811,148,778,174.37/1,345,785.89
  6. Step 6: Final answer
    x = 1,345,792.66

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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.