Home / 1,651,997.92-2,279,894.55-917,021.38

Finding the Fourth Proportional to 1,651,997.92, 2,279,894.55 and 917,021.38

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Solution

The fourth proportional to 1,651,997.92, 2,279,894.55 and 917,021.38 is: 1,265,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,997.92 : 2,279,894.55 = 917,021.38 : x
  2. Step 2: Convert to fraction form
    1,651,997.92/2,279,894.55 = 917,021.38/x
  3. Step 3: Cross multiply
    1,651,997.92x = 2,279,894.55 × 917,021.38
  4. Step 4: Simplify right side
    1,651,997.92x = 2,090,712,046,495.48
  5. Step 5: Solve for x
    x = 2,090,712,046,495.48/1,651,997.92
  6. Step 6: Final answer
    x = 1,265,565.79

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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.