Home / 1,006,805.44-1,389,390.72-554,096.80

Finding the Fourth Proportional to 1,006,805.44, 1,389,390.72 and 554,096.80

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Solution

The fourth proportional to 1,006,805.44, 1,389,390.72 and 554,096.80 is: 764,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,805.44 : 1,389,390.72 = 554,096.80 : x
  2. Step 2: Convert to fraction form
    1,006,805.44/1,389,390.72 = 554,096.80/x
  3. Step 3: Cross multiply
    1,006,805.44x = 1,389,390.72 × 554,096.80
  4. Step 4: Simplify right side
    1,006,805.44x = 769,856,951,901.70
  5. Step 5: Solve for x
    x = 769,856,951,901.70/1,006,805.44
  6. Step 6: Final answer
    x = 764,653.15

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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.