Home / 940,808.57-1,298,326.88-511,095.47

Finding the Fourth Proportional to 940,808.57, 1,298,326.88 and 511,095.47

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Solution

The fourth proportional to 940,808.57, 1,298,326.88 and 511,095.47 is: 705,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,808.57 : 1,298,326.88 = 511,095.47 : x
  2. Step 2: Convert to fraction form
    940,808.57/1,298,326.88 = 511,095.47/x
  3. Step 3: Cross multiply
    940,808.57x = 1,298,326.88 × 511,095.47
  4. Step 4: Simplify right side
    940,808.57x = 663,568,985,669.50
  5. Step 5: Solve for x
    x = 663,568,985,669.50/940,808.57
  6. Step 6: Final answer
    x = 705,317.75

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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.