Home / 1,108,205.82-1,662,403.10-349,844.40

Finding the Fourth Proportional to 1,108,205.82, 1,662,403.10 and 349,844.40

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Solution

The fourth proportional to 1,108,205.82, 1,662,403.10 and 349,844.40 is: 524,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,205.82 : 1,662,403.10 = 349,844.40 : x
  2. Step 2: Convert to fraction form
    1,108,205.82/1,662,403.10 = 349,844.40/x
  3. Step 3: Cross multiply
    1,108,205.82x = 1,662,403.10 × 349,844.40
  4. Step 4: Simplify right side
    1,108,205.82x = 581,582,413,328.42
  5. Step 5: Solve for x
    x = 581,582,413,328.42/1,108,205.82
  6. Step 6: Final answer
    x = 524,796.39

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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.