Home / 662,884.35-914,754.61-405,192.76

Finding the Fourth Proportional to 662,884.35, 914,754.61 and 405,192.76

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Solution

The fourth proportional to 662,884.35, 914,754.61 and 405,192.76 is: 559,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,884.35 : 914,754.61 = 405,192.76 : x
  2. Step 2: Convert to fraction form
    662,884.35/914,754.61 = 405,192.76/x
  3. Step 3: Cross multiply
    662,884.35x = 914,754.61 × 405,192.76
  4. Step 4: Simplify right side
    662,884.35x = 370,651,945,148.62
  5. Step 5: Solve for x
    x = 370,651,945,148.62/662,884.35
  6. Step 6: Final answer
    x = 559,150.24

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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.