Home / 1,333,514.36-1,840,235.46-721,653.59

Finding the Fourth Proportional to 1,333,514.36, 1,840,235.46 and 721,653.59

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Solution

The fourth proportional to 1,333,514.36, 1,840,235.46 and 721,653.59 is: 995,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,514.36 : 1,840,235.46 = 721,653.59 : x
  2. Step 2: Convert to fraction form
    1,333,514.36/1,840,235.46 = 721,653.59/x
  3. Step 3: Cross multiply
    1,333,514.36x = 1,840,235.46 × 721,653.59
  4. Step 4: Simplify right side
    1,333,514.36x = 1,328,012,516,953.12
  5. Step 5: Solve for x
    x = 1,328,012,516,953.12/1,333,514.36
  6. Step 6: Final answer
    x = 995,874.18

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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.