Home / 1,289,733.81-1,934,605.38-391,183.34

Finding the Fourth Proportional to 1,289,733.81, 1,934,605.38 and 391,183.34

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Solution

The fourth proportional to 1,289,733.81, 1,934,605.38 and 391,183.34 is: 586,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,733.81 : 1,934,605.38 = 391,183.34 : x
  2. Step 2: Convert to fraction form
    1,289,733.81/1,934,605.38 = 391,183.34/x
  3. Step 3: Cross multiply
    1,289,733.81x = 1,934,605.38 × 391,183.34
  4. Step 4: Simplify right side
    1,289,733.81x = 756,785,384,457.34
  5. Step 5: Solve for x
    x = 756,785,384,457.34/1,289,733.81
  6. Step 6: Final answer
    x = 586,776.42

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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.