Home / 839,950.20-1,259,925.30-629,998.20

Finding the Fourth Proportional to 839,950.20, 1,259,925.30 and 629,998.20

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Solution

The fourth proportional to 839,950.20, 1,259,925.30 and 629,998.20 is: 944,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,950.20 : 1,259,925.30 = 629,998.20 : x
  2. Step 2: Convert to fraction form
    839,950.20/1,259,925.30 = 629,998.20/x
  3. Step 3: Cross multiply
    839,950.20x = 1,259,925.30 × 629,998.20
  4. Step 4: Simplify right side
    839,950.20x = 793,750,671,134.46
  5. Step 5: Solve for x
    x = 793,750,671,134.46/839,950.20
  6. Step 6: Final answer
    x = 944,997.30

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Double scale
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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.