Home / 685,558.34-945,913.92-440,671.04

Finding the Fourth Proportional to 685,558.34, 945,913.92 and 440,671.04

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Solution

The fourth proportional to 685,558.34, 945,913.92 and 440,671.04 is: 608,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,558.34 : 945,913.92 = 440,671.04 : x
  2. Step 2: Convert to fraction form
    685,558.34/945,913.92 = 440,671.04/x
  3. Step 3: Cross multiply
    685,558.34x = 945,913.92 × 440,671.04
  4. Step 4: Simplify right side
    685,558.34x = 416,836,870,876.88
  5. Step 5: Solve for x
    x = 416,836,870,876.88/685,558.34
  6. Step 6: Final answer
    x = 608,025.38

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1.5x scale

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.