Home / 949,722.28-1,310,616.90-520,029.04

Finding the Fourth Proportional to 949,722.28, 1,310,616.90 and 520,029.04

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Solution

The fourth proportional to 949,722.28, 1,310,616.90 and 520,029.04 is: 717,640.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,722.28 : 1,310,616.90 = 520,029.04 : x
  2. Step 2: Convert to fraction form
    949,722.28/1,310,616.90 = 520,029.04/x
  3. Step 3: Cross multiply
    949,722.28x = 1,310,616.90 × 520,029.04
  4. Step 4: Simplify right side
    949,722.28x = 681,558,848,314.78
  5. Step 5: Solve for x
    x = 681,558,848,314.78/949,722.28
  6. Step 6: Final answer
    x = 717,640.16

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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.