Home / 497,436.80-746,155.20-231,716.30

Finding the Fourth Proportional to 497,436.80, 746,155.20 and 231,716.30

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Solution

The fourth proportional to 497,436.80, 746,155.20 and 231,716.30 is: 347,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,436.80 : 746,155.20 = 231,716.30 : x
  2. Step 2: Convert to fraction form
    497,436.80/746,155.20 = 231,716.30/x
  3. Step 3: Cross multiply
    497,436.80x = 746,155.20 × 231,716.30
  4. Step 4: Simplify right side
    497,436.80x = 172,896,322,169.76
  5. Step 5: Solve for x
    x = 172,896,322,169.76/497,436.80
  6. Step 6: Final answer
    x = 347,574.45

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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.