Home / 1,214,618.70-1,676,156.31-670,777.50

Finding the Fourth Proportional to 1,214,618.70, 1,676,156.31 and 670,777.50

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Solution

The fourth proportional to 1,214,618.70, 1,676,156.31 and 670,777.50 is: 925,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,618.70 : 1,676,156.31 = 670,777.50 : x
  2. Step 2: Convert to fraction form
    1,214,618.70/1,676,156.31 = 670,777.50/x
  3. Step 3: Cross multiply
    1,214,618.70x = 1,676,156.31 × 670,777.50
  4. Step 4: Simplify right side
    1,214,618.70x = 1,124,327,939,231.03
  5. Step 5: Solve for x
    x = 1,124,327,939,231.03/1,214,618.70
  6. Step 6: Final answer
    x = 925,663.29

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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.