Home / 1,101,904.57-1,520,639.58-618,460.03

Finding the Fourth Proportional to 1,101,904.57, 1,520,639.58 and 618,460.03

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Solution

The fourth proportional to 1,101,904.57, 1,520,639.58 and 618,460.03 is: 853,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,904.57 : 1,520,639.58 = 618,460.03 : x
  2. Step 2: Convert to fraction form
    1,101,904.57/1,520,639.58 = 618,460.03/x
  3. Step 3: Cross multiply
    1,101,904.57x = 1,520,639.58 × 618,460.03
  4. Step 4: Simplify right side
    1,101,904.57x = 940,454,800,265.99
  5. Step 5: Solve for x
    x = 940,454,800,265.99/1,101,904.57
  6. Step 6: Final answer
    x = 853,481.17

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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.