Home / 1,205,201.94-1,663,174.10-661,346.84

Finding the Fourth Proportional to 1,205,201.94, 1,663,174.10 and 661,346.84

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Solution

The fourth proportional to 1,205,201.94, 1,663,174.10 and 661,346.84 is: 912,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,201.94 : 1,663,174.10 = 661,346.84 : x
  2. Step 2: Convert to fraction form
    1,205,201.94/1,663,174.10 = 661,346.84/x
  3. Step 3: Cross multiply
    1,205,201.94x = 1,663,174.10 × 661,346.84
  4. Step 4: Simplify right side
    1,205,201.94x = 1,099,934,935,404.84
  5. Step 5: Solve for x
    x = 1,099,934,935,404.84/1,205,201.94
  6. Step 6: Final answer
    x = 912,656.13

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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.