Home / 1,405,604.91-1,939,732.20-761,025

Finding the Fourth Proportional to 1,405,604.91, 1,939,732.20 and 761,025

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Solution

The fourth proportional to 1,405,604.91, 1,939,732.20 and 761,025 is: 1,050,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,604.91 : 1,939,732.20 = 761,025 : x
  2. Step 2: Convert to fraction form
    1,405,604.91/1,939,732.20 = 761,025/x
  3. Step 3: Cross multiply
    1,405,604.91x = 1,939,732.20 × 761,025
  4. Step 4: Simplify right side
    1,405,604.91x = 1,476,184,697,505
  5. Step 5: Solve for x
    x = 1,476,184,697,505/1,405,604.91
  6. Step 6: Final answer
    x = 1,050,213.11

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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.