Home / 434,437.62-651,056.82-313,530.23

Finding the Fourth Proportional to 434,437.62, 651,056.82 and 313,530.23

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Solution

The fourth proportional to 434,437.62, 651,056.82 and 313,530.23 is: 469,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,437.62 : 651,056.82 = 313,530.23 : x
  2. Step 2: Convert to fraction form
    434,437.62/651,056.82 = 313,530.23/x
  3. Step 3: Cross multiply
    434,437.62x = 651,056.82 × 313,530.23
  4. Step 4: Simplify right side
    434,437.62x = 204,125,994,517.67
  5. Step 5: Solve for x
    x = 204,125,994,517.67/434,437.62
  6. Step 6: Final answer
    x = 469,862.61

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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.