Home / 438,973.44-657,951.87-201,818.40

Finding the Fourth Proportional to 438,973.44, 657,951.87 and 201,818.40

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Solution

The fourth proportional to 438,973.44, 657,951.87 and 201,818.40 is: 302,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,973.44 : 657,951.87 = 201,818.40 : x
  2. Step 2: Convert to fraction form
    438,973.44/657,951.87 = 201,818.40/x
  3. Step 3: Cross multiply
    438,973.44x = 657,951.87 × 201,818.40
  4. Step 4: Simplify right side
    438,973.44x = 132,786,793,680.41
  5. Step 5: Solve for x
    x = 132,786,793,680.41/438,973.44
  6. Step 6: Final answer
    x = 302,493.91

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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.