Home / 953,361.28-1,315,649.28-523,651.36

Finding the Fourth Proportional to 953,361.28, 1,315,649.28 and 523,651.36

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Solution

The fourth proportional to 953,361.28, 1,315,649.28 and 523,651.36 is: 722,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,361.28 : 1,315,649.28 = 523,651.36 : x
  2. Step 2: Convert to fraction form
    953,361.28/1,315,649.28 = 523,651.36/x
  3. Step 3: Cross multiply
    953,361.28x = 1,315,649.28 × 523,651.36
  4. Step 4: Simplify right side
    953,361.28x = 688,941,534,755.02
  5. Step 5: Solve for x
    x = 688,941,534,755.02/953,361.28
  6. Step 6: Final answer
    x = 722,644.76

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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.