Home / 1,055,851.66-1,458,278.15-715,729.42

Finding the Fourth Proportional to 1,055,851.66, 1,458,278.15 and 715,729.42

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Solution

The fourth proportional to 1,055,851.66, 1,458,278.15 and 715,729.42 is: 988,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,851.66 : 1,458,278.15 = 715,729.42 : x
  2. Step 2: Convert to fraction form
    1,055,851.66/1,458,278.15 = 715,729.42/x
  3. Step 3: Cross multiply
    1,055,851.66x = 1,458,278.15 × 715,729.42
  4. Step 4: Simplify right side
    1,055,851.66x = 1,043,732,577,850.31
  5. Step 5: Solve for x
    x = 1,043,732,577,850.31/1,055,851.66
  6. Step 6: Final answer
    x = 988,521.98

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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.