Home / 1,005,993.88-1,388,264.64-570,493.48

Finding the Fourth Proportional to 1,005,993.88, 1,388,264.64 and 570,493.48

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Solution

The fourth proportional to 1,005,993.88, 1,388,264.64 and 570,493.48 is: 787,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,993.88 : 1,388,264.64 = 570,493.48 : x
  2. Step 2: Convert to fraction form
    1,005,993.88/1,388,264.64 = 570,493.48/x
  3. Step 3: Cross multiply
    1,005,993.88x = 1,388,264.64 × 570,493.48
  4. Step 4: Simplify right side
    1,005,993.88x = 791,995,925,634.55
  5. Step 5: Solve for x
    x = 791,995,925,634.55/1,005,993.88
  6. Step 6: Final answer
    x = 787,277.08

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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.