Home / 453,815.16-626,436.23-356,765.82

Finding the Fourth Proportional to 453,815.16, 626,436.23 and 356,765.82

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Solution

The fourth proportional to 453,815.16, 626,436.23 and 356,765.82 is: 492,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,815.16 : 626,436.23 = 356,765.82 : x
  2. Step 2: Convert to fraction form
    453,815.16/626,436.23 = 356,765.82/x
  3. Step 3: Cross multiply
    453,815.16x = 626,436.23 × 356,765.82
  4. Step 4: Simplify right side
    453,815.16x = 223,491,033,147.50
  5. Step 5: Solve for x
    x = 223,491,033,147.50/453,815.16
  6. Step 6: Final answer
    x = 492,471.51

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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.