Home / 729,984.15-1,007,310.33-471,867.12

Finding the Fourth Proportional to 729,984.15, 1,007,310.33 and 471,867.12

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Solution

The fourth proportional to 729,984.15, 1,007,310.33 and 471,867.12 is: 651,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,984.15 : 1,007,310.33 = 471,867.12 : x
  2. Step 2: Convert to fraction form
    729,984.15/1,007,310.33 = 471,867.12/x
  3. Step 3: Cross multiply
    729,984.15x = 1,007,310.33 × 471,867.12
  4. Step 4: Simplify right side
    729,984.15x = 475,316,624,363.35
  5. Step 5: Solve for x
    x = 475,316,624,363.35/729,984.15
  6. Step 6: Final answer
    x = 651,132.80

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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.