Home / 332,516.22-457,905.90-288,888.60

Finding the Fourth Proportional to 332,516.22, 457,905.90 and 288,888.60

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Solution

The fourth proportional to 332,516.22, 457,905.90 and 288,888.60 is: 397,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,516.22 : 457,905.90 = 288,888.60 : x
  2. Step 2: Convert to fraction form
    332,516.22/457,905.90 = 288,888.60/x
  3. Step 3: Cross multiply
    332,516.22x = 457,905.90 × 288,888.60
  4. Step 4: Simplify right side
    332,516.22x = 132,283,794,382.74
  5. Step 5: Solve for x
    x = 132,283,794,382.74/332,516.22
  6. Step 6: Final answer
    x = 397,826.59

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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.