Home / 1,145,175-1,580,390.22-635,877

Finding the Fourth Proportional to 1,145,175, 1,580,390.22 and 635,877

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Solution

The fourth proportional to 1,145,175, 1,580,390.22 and 635,877 is: 877,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,175 : 1,580,390.22 = 635,877 : x
  2. Step 2: Convert to fraction form
    1,145,175/1,580,390.22 = 635,877/x
  3. Step 3: Cross multiply
    1,145,175x = 1,580,390.22 × 635,877
  4. Step 4: Simplify right side
    1,145,175x = 1,004,933,791,922.94
  5. Step 5: Solve for x
    x = 1,004,933,791,922.94/1,145,175
  6. Step 6: Final answer
    x = 877,537.31

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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.