Home / 1,638,515.10-2,457,772.65-456,563.10

Finding the Fourth Proportional to 1,638,515.10, 2,457,772.65 and 456,563.10

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Solution

The fourth proportional to 1,638,515.10, 2,457,772.65 and 456,563.10 is: 684,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,515.10 : 2,457,772.65 = 456,563.10 : x
  2. Step 2: Convert to fraction form
    1,638,515.10/2,457,772.65 = 456,563.10/x
  3. Step 3: Cross multiply
    1,638,515.10x = 2,457,772.65 × 456,563.10
  4. Step 4: Simplify right side
    1,638,515.10x = 1,122,128,300,179.21
  5. Step 5: Solve for x
    x = 1,122,128,300,179.21/1,638,515.10
  6. Step 6: Final answer
    x = 684,844.65

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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.