Home / 1,165,931.19-1,608,963.45-635,506.98

Finding the Fourth Proportional to 1,165,931.19, 1,608,963.45 and 635,506.98

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Solution

The fourth proportional to 1,165,931.19, 1,608,963.45 and 635,506.98 is: 876,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,931.19 : 1,608,963.45 = 635,506.98 : x
  2. Step 2: Convert to fraction form
    1,165,931.19/1,608,963.45 = 635,506.98/x
  3. Step 3: Cross multiply
    1,165,931.19x = 1,608,963.45 × 635,506.98
  4. Step 4: Simplify right side
    1,165,931.19x = 1,022,507,503,039.88
  5. Step 5: Solve for x
    x = 1,022,507,503,039.88/1,165,931.19
  6. Step 6: Final answer
    x = 876,987.86

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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.