Home / 1,755,137.72-2,633,678.04-856,586.90

Finding the Fourth Proportional to 1,755,137.72, 2,633,678.04 and 856,586.90

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Solution

The fourth proportional to 1,755,137.72, 2,633,678.04 and 856,586.90 is: 1,285,354.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,137.72 : 2,633,678.04 = 856,586.90 : x
  2. Step 2: Convert to fraction form
    1,755,137.72/2,633,678.04 = 856,586.90/x
  3. Step 3: Cross multiply
    1,755,137.72x = 2,633,678.04 × 856,586.90
  4. Step 4: Simplify right side
    1,755,137.72x = 2,255,974,094,713.29
  5. Step 5: Solve for x
    x = 2,255,974,094,713.29/1,755,137.72
  6. Step 6: Final answer
    x = 1,285,354.46

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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.