Home / 1,173,833.28-1,759,173.12-640,555.20

Finding the Fourth Proportional to 1,173,833.28, 1,759,173.12 and 640,555.20

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Solution

The fourth proportional to 1,173,833.28, 1,759,173.12 and 640,555.20 is: 959,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,833.28 : 1,759,173.12 = 640,555.20 : x
  2. Step 2: Convert to fraction form
    1,173,833.28/1,759,173.12 = 640,555.20/x
  3. Step 3: Cross multiply
    1,173,833.28x = 1,759,173.12 × 640,555.20
  4. Step 4: Simplify right side
    1,173,833.28x = 1,126,847,489,716.22
  5. Step 5: Solve for x
    x = 1,126,847,489,716.22/1,173,833.28
  6. Step 6: Final answer
    x = 959,972.35

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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.