Home / 1,281,185.10-1,920,902.85-607,589.10

Finding the Fourth Proportional to 1,281,185.10, 1,920,902.85 and 607,589.10

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Solution

The fourth proportional to 1,281,185.10, 1,920,902.85 and 607,589.10 is: 910,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,185.10 : 1,920,902.85 = 607,589.10 : x
  2. Step 2: Convert to fraction form
    1,281,185.10/1,920,902.85 = 607,589.10/x
  3. Step 3: Cross multiply
    1,281,185.10x = 1,920,902.85 × 607,589.10
  4. Step 4: Simplify right side
    1,281,185.10x = 1,167,119,633,818.94
  5. Step 5: Solve for x
    x = 1,167,119,633,818.94/1,281,185.10
  6. Step 6: Final answer
    x = 910,968.78

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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.