Home / 662,911.56-914,786.46-376,393.50

Finding the Fourth Proportional to 662,911.56, 914,786.46 and 376,393.50

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Solution

The fourth proportional to 662,911.56, 914,786.46 and 376,393.50 is: 519,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,911.56 : 914,786.46 = 376,393.50 : x
  2. Step 2: Convert to fraction form
    662,911.56/914,786.46 = 376,393.50/x
  3. Step 3: Cross multiply
    662,911.56x = 914,786.46 × 376,393.50
  4. Step 4: Simplify right side
    662,911.56x = 344,319,677,432.01
  5. Step 5: Solve for x
    x = 344,319,677,432.01/662,911.56
  6. Step 6: Final answer
    x = 519,405.15

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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.