Home / 522,821.70-784,232.55-404,577.90

Finding the Fourth Proportional to 522,821.70, 784,232.55 and 404,577.90

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Solution

The fourth proportional to 522,821.70, 784,232.55 and 404,577.90 is: 606,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,821.70 : 784,232.55 = 404,577.90 : x
  2. Step 2: Convert to fraction form
    522,821.70/784,232.55 = 404,577.90/x
  3. Step 3: Cross multiply
    522,821.70x = 784,232.55 × 404,577.90
  4. Step 4: Simplify right side
    522,821.70x = 317,283,158,190.65
  5. Step 5: Solve for x
    x = 317,283,158,190.65/522,821.70
  6. Step 6: Final answer
    x = 606,866.85

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Similar ratio
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1.5x scale

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.