Home / 1,055,851.41-1,458,277.79-715,729.17

Finding the Fourth Proportional to 1,055,851.41, 1,458,277.79 and 715,729.17

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Solution

The fourth proportional to 1,055,851.41, 1,458,277.79 and 715,729.17 is: 988,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,851.41 : 1,458,277.79 = 715,729.17 : x
  2. Step 2: Convert to fraction form
    1,055,851.41/1,458,277.79 = 715,729.17/x
  3. Step 3: Cross multiply
    1,055,851.41x = 1,458,277.79 × 715,729.17
  4. Step 4: Simplify right side
    1,055,851.41x = 1,043,731,948,586.92
  5. Step 5: Solve for x
    x = 1,043,731,948,586.92/1,055,851.41
  6. Step 6: Final answer
    x = 988,521.63

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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.