Home / 629,638.20-944,457.30-496,927.80

Finding the Fourth Proportional to 629,638.20, 944,457.30 and 496,927.80

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Solution

The fourth proportional to 629,638.20, 944,457.30 and 496,927.80 is: 745,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,638.20 : 944,457.30 = 496,927.80 : x
  2. Step 2: Convert to fraction form
    629,638.20/944,457.30 = 496,927.80/x
  3. Step 3: Cross multiply
    629,638.20x = 944,457.30 × 496,927.80
  4. Step 4: Simplify right side
    629,638.20x = 469,327,088,282.94
  5. Step 5: Solve for x
    x = 469,327,088,282.94/629,638.20
  6. Step 6: Final answer
    x = 745,391.70

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Half scale
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Double scale
Find fourth proportional to 629,639.20, 944,458.80 and 496,928.80
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.