Home / 442,826.76-664,338.57-127,259.07

Finding the Fourth Proportional to 442,826.76, 664,338.57 and 127,259.07

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Solution

The fourth proportional to 442,826.76, 664,338.57 and 127,259.07 is: 190,916.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,826.76 : 664,338.57 = 127,259.07 : x
  2. Step 2: Convert to fraction form
    442,826.76/664,338.57 = 127,259.07/x
  3. Step 3: Cross multiply
    442,826.76x = 664,338.57 × 127,259.07
  4. Step 4: Simplify right side
    442,826.76x = 84,543,108,583.33
  5. Step 5: Solve for x
    x = 84,543,108,583.33/442,826.76
  6. Step 6: Final answer
    x = 190,916.89

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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.