Home / 1,197,845.77-1,653,018.61-653,981.54

Finding the Fourth Proportional to 1,197,845.77, 1,653,018.61 and 653,981.54

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Solution

The fourth proportional to 1,197,845.77, 1,653,018.61 and 653,981.54 is: 902,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,845.77 : 1,653,018.61 = 653,981.54 : x
  2. Step 2: Convert to fraction form
    1,197,845.77/1,653,018.61 = 653,981.54/x
  3. Step 3: Cross multiply
    1,197,845.77x = 1,653,018.61 × 653,981.54
  4. Step 4: Simplify right side
    1,197,845.77x = 1,081,043,656,866.28
  5. Step 5: Solve for x
    x = 1,081,043,656,866.28/1,197,845.77
  6. Step 6: Final answer
    x = 902,489.86

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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.