Home / 1,214,712.73-1,676,316.20-670,862.33

Finding the Fourth Proportional to 1,214,712.73, 1,676,316.20 and 670,862.33

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Solution

The fourth proportional to 1,214,712.73, 1,676,316.20 and 670,862.33 is: 925,796.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,712.73 : 1,676,316.20 = 670,862.33 : x
  2. Step 2: Convert to fraction form
    1,214,712.73/1,676,316.20 = 670,862.33/x
  3. Step 3: Cross multiply
    1,214,712.73x = 1,676,316.20 × 670,862.33
  4. Step 4: Simplify right side
    1,214,712.73x = 1,124,577,391,748.75
  5. Step 5: Solve for x
    x = 1,124,577,391,748.75/1,214,712.73
  6. Step 6: Final answer
    x = 925,796.99

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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.