Home / 930,758.40-1,284,566.40-628,934.40

Finding the Fourth Proportional to 930,758.40, 1,284,566.40 and 628,934.40

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Solution

The fourth proportional to 930,758.40, 1,284,566.40 and 628,934.40 is: 868,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,758.40 : 1,284,566.40 = 628,934.40 : x
  2. Step 2: Convert to fraction form
    930,758.40/1,284,566.40 = 628,934.40/x
  3. Step 3: Cross multiply
    930,758.40x = 1,284,566.40 × 628,934.40
  4. Step 4: Simplify right side
    930,758.40x = 807,907,998,044.16
  5. Step 5: Solve for x
    x = 807,907,998,044.16/930,758.40
  6. Step 6: Final answer
    x = 868,010.43

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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.