Home / 1,511,709.80-2,086,159.19-832,646.30

Finding the Fourth Proportional to 1,511,709.80, 2,086,159.19 and 832,646.30

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Solution

The fourth proportional to 1,511,709.80, 2,086,159.19 and 832,646.30 is: 1,149,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,709.80 : 2,086,159.19 = 832,646.30 : x
  2. Step 2: Convert to fraction form
    1,511,709.80/2,086,159.19 = 832,646.30/x
  3. Step 3: Cross multiply
    1,511,709.80x = 2,086,159.19 × 832,646.30
  4. Step 4: Simplify right side
    1,511,709.80x = 1,737,032,716,170.47
  5. Step 5: Solve for x
    x = 1,737,032,716,170.47/1,511,709.80
  6. Step 6: Final answer
    x = 1,149,051.70

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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.