Home / 1,110,022.65-1,664,013.38-399,877.02

Finding the Fourth Proportional to 1,110,022.65, 1,664,013.38 and 399,877.02

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Solution

The fourth proportional to 1,110,022.65, 1,664,013.38 and 399,877.02 is: 599,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,022.65 : 1,664,013.38 = 399,877.02 : x
  2. Step 2: Convert to fraction form
    1,110,022.65/1,664,013.38 = 399,877.02/x
  3. Step 3: Cross multiply
    1,110,022.65x = 1,664,013.38 × 399,877.02
  4. Step 4: Simplify right side
    1,110,022.65x = 665,400,709,635.14
  5. Step 5: Solve for x
    x = 665,400,709,635.14/1,110,022.65
  6. Step 6: Final answer
    x = 599,447.87

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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.