Home / 1,942,109.10-2,913,158.79-522,165.06

Finding the Fourth Proportional to 1,942,109.10, 2,913,158.79 and 522,165.06

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Solution

The fourth proportional to 1,942,109.10, 2,913,158.79 and 522,165.06 is: 783,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,109.10 : 2,913,158.79 = 522,165.06 : x
  2. Step 2: Convert to fraction form
    1,942,109.10/2,913,158.79 = 522,165.06/x
  3. Step 3: Cross multiply
    1,942,109.10x = 2,913,158.79 × 522,165.06
  4. Step 4: Simplify right side
    1,942,109.10x = 1,521,149,734,369.88
  5. Step 5: Solve for x
    x = 1,521,149,734,369.88/1,942,109.10
  6. Step 6: Final answer
    x = 783,246.28

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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.