Home / 693,732.20-1,040,598.30-457,341.80

Finding the Fourth Proportional to 693,732.20, 1,040,598.30 and 457,341.80

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Solution

The fourth proportional to 693,732.20, 1,040,598.30 and 457,341.80 is: 686,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,732.20 : 1,040,598.30 = 457,341.80 : x
  2. Step 2: Convert to fraction form
    693,732.20/1,040,598.30 = 457,341.80/x
  3. Step 3: Cross multiply
    693,732.20x = 1,040,598.30 × 457,341.80
  4. Step 4: Simplify right side
    693,732.20x = 475,909,099,598.94
  5. Step 5: Solve for x
    x = 475,909,099,598.94/693,732.20
  6. Step 6: Final answer
    x = 686,012.70

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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.