Home / 1,329,117.72-1,833,636.33-985,798.32

Finding the Fourth Proportional to 1,329,117.72, 1,833,636.33 and 985,798.32

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Solution

The fourth proportional to 1,329,117.72, 1,833,636.33 and 985,798.32 is: 1,359,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,117.72 : 1,833,636.33 = 985,798.32 : x
  2. Step 2: Convert to fraction form
    1,329,117.72/1,833,636.33 = 985,798.32/x
  3. Step 3: Cross multiply
    1,329,117.72x = 1,833,636.33 × 985,798.32
  4. Step 4: Simplify right side
    1,329,117.72x = 1,807,595,613,604.97
  5. Step 5: Solve for x
    x = 1,807,595,613,604.97/1,329,117.72
  6. Step 6: Final answer
    x = 1,359,996.63

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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.