Home / 1,205,404.92-1,663,403.94-661,529.91

Finding the Fourth Proportional to 1,205,404.92, 1,663,403.94 and 661,529.91

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Solution

The fourth proportional to 1,205,404.92, 1,663,403.94 and 661,529.91 is: 912,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,404.92 : 1,663,403.94 = 661,529.91 : x
  2. Step 2: Convert to fraction form
    1,205,404.92/1,663,403.94 = 661,529.91/x
  3. Step 3: Cross multiply
    1,205,404.92x = 1,663,403.94 × 661,529.91
  4. Step 4: Simplify right side
    1,205,404.92x = 1,100,391,458,721.85
  5. Step 5: Solve for x
    x = 1,100,391,458,721.85/1,205,404.92
  6. Step 6: Final answer
    x = 912,881.17

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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.