Home / 940,808.45-1,298,326.71-511,095.35

Finding the Fourth Proportional to 940,808.45, 1,298,326.71 and 511,095.35

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Solution

The fourth proportional to 940,808.45, 1,298,326.71 and 511,095.35 is: 705,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,808.45 : 1,298,326.71 = 511,095.35 : x
  2. Step 2: Convert to fraction form
    940,808.45/1,298,326.71 = 511,095.35/x
  3. Step 3: Cross multiply
    940,808.45x = 1,298,326.71 × 511,095.35
  4. Step 4: Simplify right side
    940,808.45x = 663,568,737,770.17
  5. Step 5: Solve for x
    x = 663,568,737,770.17/940,808.45
  6. Step 6: Final answer
    x = 705,317.58

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1.5x scale

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.