Home / 1,514,679.89-2,090,248.20-861,305.94

Finding the Fourth Proportional to 1,514,679.89, 2,090,248.20 and 861,305.94

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Solution

The fourth proportional to 1,514,679.89, 2,090,248.20 and 861,305.94 is: 1,188,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,679.89 : 2,090,248.20 = 861,305.94 : x
  2. Step 2: Convert to fraction form
    1,514,679.89/2,090,248.20 = 861,305.94/x
  3. Step 3: Cross multiply
    1,514,679.89x = 2,090,248.20 × 861,305.94
  4. Step 4: Simplify right side
    1,514,679.89x = 1,800,343,190,734.31
  5. Step 5: Solve for x
    x = 1,800,343,190,734.31/1,514,679.89
  6. Step 6: Final answer
    x = 1,188,596.49

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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.