Home / 1,162,434.54-1,604,178.64-639,167.26

Finding the Fourth Proportional to 1,162,434.54, 1,604,178.64 and 639,167.26

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Solution

The fourth proportional to 1,162,434.54, 1,604,178.64 and 639,167.26 is: 882,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,434.54 : 1,604,178.64 = 639,167.26 : x
  2. Step 2: Convert to fraction form
    1,162,434.54/1,604,178.64 = 639,167.26/x
  3. Step 3: Cross multiply
    1,162,434.54x = 1,604,178.64 × 639,167.26
  4. Step 4: Simplify right side
    1,162,434.54x = 1,025,338,465,879.33
  5. Step 5: Solve for x
    x = 1,025,338,465,879.33/1,162,434.54
  6. Step 6: Final answer
    x = 882,061.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.