Home / 949,630.92-1,310,491.98-519,914.04

Finding the Fourth Proportional to 949,630.92, 1,310,491.98 and 519,914.04

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Solution

The fourth proportional to 949,630.92, 1,310,491.98 and 519,914.04 is: 717,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,630.92 : 1,310,491.98 = 519,914.04 : x
  2. Step 2: Convert to fraction form
    949,630.92/1,310,491.98 = 519,914.04/x
  3. Step 3: Cross multiply
    949,630.92x = 1,310,491.98 × 519,914.04
  4. Step 4: Simplify right side
    949,630.92x = 681,343,179,709.40
  5. Step 5: Solve for x
    x = 681,343,179,709.40/949,630.92
  6. Step 6: Final answer
    x = 717,482.09

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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.