Home / 746,175.75-1,029,618.68-419,442.57

Finding the Fourth Proportional to 746,175.75, 1,029,618.68 and 419,442.57

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Solution

The fourth proportional to 746,175.75, 1,029,618.68 and 419,442.57 is: 578,772.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,175.75 : 1,029,618.68 = 419,442.57 : x
  2. Step 2: Convert to fraction form
    746,175.75/1,029,618.68 = 419,442.57/x
  3. Step 3: Cross multiply
    746,175.75x = 1,029,618.68 × 419,442.57
  4. Step 4: Simplify right side
    746,175.75x = 431,865,903,162.00
  5. Step 5: Solve for x
    x = 431,865,903,162.00/746,175.75
  6. Step 6: Final answer
    x = 578,772.37

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1.5x scale

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.