Home / 445,440.19-668,160.27-205,483.10

Finding the Fourth Proportional to 445,440.19, 668,160.27 and 205,483.10

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Solution

The fourth proportional to 445,440.19, 668,160.27 and 205,483.10 is: 308,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,440.19 : 668,160.27 = 205,483.10 : x
  2. Step 2: Convert to fraction form
    445,440.19/668,160.27 = 205,483.10/x
  3. Step 3: Cross multiply
    445,440.19x = 668,160.27 × 205,483.10
  4. Step 4: Simplify right side
    445,440.19x = 137,295,641,392.33
  5. Step 5: Solve for x
    x = 137,295,641,392.33/445,440.19
  6. Step 6: Final answer
    x = 308,224.64

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Double scale
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Similar ratio
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1.5x scale

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.