Home / 816,925.88-1,127,351.43-449,395.11

Finding the Fourth Proportional to 816,925.88, 1,127,351.43 and 449,395.11

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Solution

The fourth proportional to 816,925.88, 1,127,351.43 and 449,395.11 is: 620,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,925.88 : 1,127,351.43 = 449,395.11 : x
  2. Step 2: Convert to fraction form
    816,925.88/1,127,351.43 = 449,395.11/x
  3. Step 3: Cross multiply
    816,925.88x = 1,127,351.43 × 449,395.11
  4. Step 4: Simplify right side
    816,925.88x = 506,626,219,893.51
  5. Step 5: Solve for x
    x = 506,626,219,893.51/816,925.88
  6. Step 6: Final answer
    x = 620,161.80

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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.