Home / 439,266.40-658,899.60-261,973.60

Finding the Fourth Proportional to 439,266.40, 658,899.60 and 261,973.60

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Solution

The fourth proportional to 439,266.40, 658,899.60 and 261,973.60 is: 392,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,266.40 : 658,899.60 = 261,973.60 : x
  2. Step 2: Convert to fraction form
    439,266.40/658,899.60 = 261,973.60/x
  3. Step 3: Cross multiply
    439,266.40x = 658,899.60 × 261,973.60
  4. Step 4: Simplify right side
    439,266.40x = 172,614,300,250.56
  5. Step 5: Solve for x
    x = 172,614,300,250.56/439,266.40
  6. Step 6: Final answer
    x = 392,960.40

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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.