Home / 696,361.72-1,044,542.56-459,649.04

Finding the Fourth Proportional to 696,361.72, 1,044,542.56 and 459,649.04

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Solution

The fourth proportional to 696,361.72, 1,044,542.56 and 459,649.04 is: 689,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,361.72 : 1,044,542.56 = 459,649.04 : x
  2. Step 2: Convert to fraction form
    696,361.72/1,044,542.56 = 459,649.04/x
  3. Step 3: Cross multiply
    696,361.72x = 1,044,542.56 × 459,649.04
  4. Step 4: Simplify right side
    696,361.72x = 480,122,984,943.14
  5. Step 5: Solve for x
    x = 480,122,984,943.14/696,361.72
  6. Step 6: Final answer
    x = 689,473.55

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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.