Home / 1,216,715.25-1,824,941.43-407,007.90

Finding the Fourth Proportional to 1,216,715.25, 1,824,941.43 and 407,007.90

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Solution

The fourth proportional to 1,216,715.25, 1,824,941.43 and 407,007.90 is: 610,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,715.25 : 1,824,941.43 = 407,007.90 : x
  2. Step 2: Convert to fraction form
    1,216,715.25/1,824,941.43 = 407,007.90/x
  3. Step 3: Cross multiply
    1,216,715.25x = 1,824,941.43 × 407,007.90
  4. Step 4: Simplify right side
    1,216,715.25x = 742,765,579,047.30
  5. Step 5: Solve for x
    x = 742,765,579,047.30/1,216,715.25
  6. Step 6: Final answer
    x = 610,467.88

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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.