Home / 1,336,508.30-2,005,338.45-776,021.90

Finding the Fourth Proportional to 1,336,508.30, 2,005,338.45 and 776,021.90

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Solution

The fourth proportional to 1,336,508.30, 2,005,338.45 and 776,021.90 is: 1,164,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,508.30 : 2,005,338.45 = 776,021.90 : x
  2. Step 2: Convert to fraction form
    1,336,508.30/2,005,338.45 = 776,021.90/x
  3. Step 3: Cross multiply
    1,336,508.30x = 2,005,338.45 × 776,021.90
  4. Step 4: Simplify right side
    1,336,508.30x = 1,556,186,554,112.06
  5. Step 5: Solve for x
    x = 1,556,186,554,112.06/1,336,508.30
  6. Step 6: Final answer
    x = 1,164,367.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.