Home / 679,117.80-1,018,676.70-605,634.60

Finding the Fourth Proportional to 679,117.80, 1,018,676.70 and 605,634.60

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Solution

The fourth proportional to 679,117.80, 1,018,676.70 and 605,634.60 is: 908,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,117.80 : 1,018,676.70 = 605,634.60 : x
  2. Step 2: Convert to fraction form
    679,117.80/1,018,676.70 = 605,634.60/x
  3. Step 3: Cross multiply
    679,117.80x = 1,018,676.70 × 605,634.60
  4. Step 4: Simplify right side
    679,117.80x = 616,945,855,733.82
  5. Step 5: Solve for x
    x = 616,945,855,733.82/679,117.80
  6. Step 6: Final answer
    x = 908,451.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.