Home / 1,392,264.36-1,917,731.03-983,656.89

Finding the Fourth Proportional to 1,392,264.36, 1,917,731.03 and 983,656.89

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Solution

The fourth proportional to 1,392,264.36, 1,917,731.03 and 983,656.89 is: 1,354,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,264.36 : 1,917,731.03 = 983,656.89 : x
  2. Step 2: Convert to fraction form
    1,392,264.36/1,917,731.03 = 983,656.89/x
  3. Step 3: Cross multiply
    1,392,264.36x = 1,917,731.03 × 983,656.89
  4. Step 4: Simplify right side
    1,392,264.36x = 1,886,389,335,908.01
  5. Step 5: Solve for x
    x = 1,886,389,335,908.01/1,392,264.36
  6. Step 6: Final answer
    x = 1,354,907.44

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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.