Home / 1,404,386.97-1,940,038.07-1,117,540.05

Finding the Fourth Proportional to 1,404,386.97, 1,940,038.07 and 1,117,540.05

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Solution

The fourth proportional to 1,404,386.97, 1,940,038.07 and 1,117,540.05 is: 1,543,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,386.97 : 1,940,038.07 = 1,117,540.05 : x
  2. Step 2: Convert to fraction form
    1,404,386.97/1,940,038.07 = 1,117,540.05/x
  3. Step 3: Cross multiply
    1,404,386.97x = 1,940,038.07 × 1,117,540.05
  4. Step 4: Simplify right side
    1,404,386.97x = 2,168,070,236,162.00
  5. Step 5: Solve for x
    x = 2,168,070,236,162.00/1,404,386.97
  6. Step 6: Final answer
    x = 1,543,784.07

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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.