Home / 1,412,898.53-1,949,851.24-809,403.17

Finding the Fourth Proportional to 1,412,898.53, 1,949,851.24 and 809,403.17

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Solution

The fourth proportional to 1,412,898.53, 1,949,851.24 and 809,403.17 is: 1,117,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,898.53 : 1,949,851.24 = 809,403.17 : x
  2. Step 2: Convert to fraction form
    1,412,898.53/1,949,851.24 = 809,403.17/x
  3. Step 3: Cross multiply
    1,412,898.53x = 1,949,851.24 × 809,403.17
  4. Step 4: Simplify right side
    1,412,898.53x = 1,578,215,762,911.67
  5. Step 5: Solve for x
    x = 1,578,215,762,911.67/1,412,898.53
  6. Step 6: Final answer
    x = 1,117,005.74

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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.