Home / 755,086.50-1,133,154.36-488,185.02

Finding the Fourth Proportional to 755,086.50, 1,133,154.36 and 488,185.02

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Solution

The fourth proportional to 755,086.50, 1,133,154.36 and 488,185.02 is: 732,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,086.50 : 1,133,154.36 = 488,185.02 : x
  2. Step 2: Convert to fraction form
    755,086.50/1,133,154.36 = 488,185.02/x
  3. Step 3: Cross multiply
    755,086.50x = 1,133,154.36 × 488,185.02
  4. Step 4: Simplify right side
    755,086.50x = 553,188,983,899.69
  5. Step 5: Solve for x
    x = 553,188,983,899.69/755,086.50
  6. Step 6: Final answer
    x = 732,616.71

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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.