Home / 1,101,447.36-1,519,904.16-617,947.20

Finding the Fourth Proportional to 1,101,447.36, 1,519,904.16 and 617,947.20

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Solution

The fourth proportional to 1,101,447.36, 1,519,904.16 and 617,947.20 is: 852,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,447.36 : 1,519,904.16 = 617,947.20 : x
  2. Step 2: Convert to fraction form
    1,101,447.36/1,519,904.16 = 617,947.20/x
  3. Step 3: Cross multiply
    1,101,447.36x = 1,519,904.16 × 617,947.20
  4. Step 4: Simplify right side
    1,101,447.36x = 939,220,519,940.35
  5. Step 5: Solve for x
    x = 939,220,519,940.35/1,101,447.36
  6. Step 6: Final answer
    x = 852,714.85

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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.