Home / 1,055,905.07-1,458,351.76-715,782.83

Finding the Fourth Proportional to 1,055,905.07, 1,458,351.76 and 715,782.83

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Solution

The fourth proportional to 1,055,905.07, 1,458,351.76 and 715,782.83 is: 988,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,905.07 : 1,458,351.76 = 715,782.83 : x
  2. Step 2: Convert to fraction form
    1,055,905.07/1,458,351.76 = 715,782.83/x
  3. Step 3: Cross multiply
    1,055,905.07x = 1,458,351.76 × 715,782.83
  4. Step 4: Simplify right side
    1,055,905.07x = 1,043,863,149,908.28
  5. Step 5: Solve for x
    x = 1,043,863,149,908.28/1,055,905.07
  6. Step 6: Final answer
    x = 988,595.64

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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.