Home / 1,214,675.01-1,676,251.67-678,131.01

Finding the Fourth Proportional to 1,214,675.01, 1,676,251.67 and 678,131.01

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Solution

The fourth proportional to 1,214,675.01, 1,676,251.67 and 678,131.01 is: 935,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,675.01 : 1,676,251.67 = 678,131.01 : x
  2. Step 2: Convert to fraction form
    1,214,675.01/1,676,251.67 = 678,131.01/x
  3. Step 3: Cross multiply
    1,214,675.01x = 1,676,251.67 × 678,131.01
  4. Step 4: Simplify right side
    1,214,675.01x = 1,136,718,234,600.63
  5. Step 5: Solve for x
    x = 1,136,718,234,600.63/1,214,675.01
  6. Step 6: Final answer
    x = 935,820.88

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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.