Home / 747,619.20-1,031,714.22-408,087.44

Finding the Fourth Proportional to 747,619.20, 1,031,714.22 and 408,087.44

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Solution

The fourth proportional to 747,619.20, 1,031,714.22 and 408,087.44 is: 563,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,619.20 : 1,031,714.22 = 408,087.44 : x
  2. Step 2: Convert to fraction form
    747,619.20/1,031,714.22 = 408,087.44/x
  3. Step 3: Cross multiply
    747,619.20x = 1,031,714.22 × 408,087.44
  4. Step 4: Simplify right side
    747,619.20x = 421,029,614,851.40
  5. Step 5: Solve for x
    x = 421,029,614,851.40/747,619.20
  6. Step 6: Final answer
    x = 563,160.52

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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.