Home / 1,083,216.39-1,625,128.20-435,247.58

Finding the Fourth Proportional to 1,083,216.39, 1,625,128.20 and 435,247.58

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Solution

The fourth proportional to 1,083,216.39, 1,625,128.20 and 435,247.58 is: 652,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,216.39 : 1,625,128.20 = 435,247.58 : x
  2. Step 2: Convert to fraction form
    1,083,216.39/1,625,128.20 = 435,247.58/x
  3. Step 3: Cross multiply
    1,083,216.39x = 1,625,128.20 × 435,247.58
  4. Step 4: Simplify right side
    1,083,216.39x = 707,333,108,114.12
  5. Step 5: Solve for x
    x = 707,333,108,114.12/1,083,216.39
  6. Step 6: Final answer
    x = 652,993.36

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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.