Home / 1,616,132.64-2,230,278.24-891,005.76

Finding the Fourth Proportional to 1,616,132.64, 2,230,278.24 and 891,005.76

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Solution

The fourth proportional to 1,616,132.64, 2,230,278.24 and 891,005.76 is: 1,229,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,132.64 : 2,230,278.24 = 891,005.76 : x
  2. Step 2: Convert to fraction form
    1,616,132.64/2,230,278.24 = 891,005.76/x
  3. Step 3: Cross multiply
    1,616,132.64x = 2,230,278.24 × 891,005.76
  4. Step 4: Simplify right side
    1,616,132.64x = 1,987,190,758,242.66
  5. Step 5: Solve for x
    x = 1,987,190,758,242.66/1,616,132.64
  6. Step 6: Final answer
    x = 1,229,596.33

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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.