Home / 1,404,386.22-1,940,037.03-1,117,539.30

Finding the Fourth Proportional to 1,404,386.22, 1,940,037.03 and 1,117,539.30

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Solution

The fourth proportional to 1,404,386.22, 1,940,037.03 and 1,117,539.30 is: 1,543,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,386.22 : 1,940,037.03 = 1,117,539.30 : x
  2. Step 2: Convert to fraction form
    1,404,386.22/1,940,037.03 = 1,117,539.30/x
  3. Step 3: Cross multiply
    1,404,386.22x = 1,940,037.03 × 1,117,539.30
  4. Step 4: Simplify right side
    1,404,386.22x = 2,168,067,624,480.28
  5. Step 5: Solve for x
    x = 2,168,067,624,480.28/1,404,386.22
  6. Step 6: Final answer
    x = 1,543,783.04

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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.