Home / 749,176.88-1,033,672.20-443,238.80

Finding the Fourth Proportional to 749,176.88, 1,033,672.20 and 443,238.80

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Solution

The fourth proportional to 749,176.88, 1,033,672.20 and 443,238.80 is: 611,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,176.88 : 1,033,672.20 = 443,238.80 : x
  2. Step 2: Convert to fraction form
    749,176.88/1,033,672.20 = 443,238.80/x
  3. Step 3: Cross multiply
    749,176.88x = 1,033,672.20 × 443,238.80
  4. Step 4: Simplify right side
    749,176.88x = 458,163,625,521.36
  5. Step 5: Solve for x
    x = 458,163,625,521.36/749,176.88
  6. Step 6: Final answer
    x = 611,556.01

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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.