Home / 1,102,136.54-1,520,998.83-612,107.98

Finding the Fourth Proportional to 1,102,136.54, 1,520,998.83 and 612,107.98

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Solution

The fourth proportional to 1,102,136.54, 1,520,998.83 and 612,107.98 is: 844,737.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,136.54 : 1,520,998.83 = 612,107.98 : x
  2. Step 2: Convert to fraction form
    1,102,136.54/1,520,998.83 = 612,107.98/x
  3. Step 3: Cross multiply
    1,102,136.54x = 1,520,998.83 × 612,107.98
  4. Step 4: Simplify right side
    1,102,136.54x = 931,015,513,808.67
  5. Step 5: Solve for x
    x = 931,015,513,808.67/1,102,136.54
  6. Step 6: Final answer
    x = 844,737.00

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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.