Home / 941,087.77-1,298,708.91-511,367.90

Finding the Fourth Proportional to 941,087.77, 1,298,708.91 and 511,367.90

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Solution

The fourth proportional to 941,087.77, 1,298,708.91 and 511,367.90 is: 705,691.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,087.77 : 1,298,708.91 = 511,367.90 : x
  2. Step 2: Convert to fraction form
    941,087.77/1,298,708.91 = 511,367.90/x
  3. Step 3: Cross multiply
    941,087.77x = 1,298,708.91 × 511,367.90
  4. Step 4: Simplify right side
    941,087.77x = 664,118,048,017.99
  5. Step 5: Solve for x
    x = 664,118,048,017.99/941,087.77
  6. Step 6: Final answer
    x = 705,691.93

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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.