Home / 726,725.50-1,001,841.84-511,196.62

Finding the Fourth Proportional to 726,725.50, 1,001,841.84 and 511,196.62

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Solution

The fourth proportional to 726,725.50, 1,001,841.84 and 511,196.62 is: 704,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,725.50 : 1,001,841.84 = 511,196.62 : x
  2. Step 2: Convert to fraction form
    726,725.50/1,001,841.84 = 511,196.62/x
  3. Step 3: Cross multiply
    726,725.50x = 1,001,841.84 × 511,196.62
  4. Step 4: Simplify right side
    726,725.50x = 512,138,162,382.58
  5. Step 5: Solve for x
    x = 512,138,162,382.58/726,725.50
  6. Step 6: Final answer
    x = 704,720.23

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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.