Home / 1,218,326.06-1,827,611.50-419,501.90

Finding the Fourth Proportional to 1,218,326.06, 1,827,611.50 and 419,501.90

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Solution

The fourth proportional to 1,218,326.06, 1,827,611.50 and 419,501.90 is: 629,295.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,326.06 : 1,827,611.50 = 419,501.90 : x
  2. Step 2: Convert to fraction form
    1,218,326.06/1,827,611.50 = 419,501.90/x
  3. Step 3: Cross multiply
    1,218,326.06x = 1,827,611.50 × 419,501.90
  4. Step 4: Simplify right side
    1,218,326.06x = 766,686,496,711.85
  5. Step 5: Solve for x
    x = 766,686,496,711.85/1,218,326.06
  6. Step 6: Final answer
    x = 629,295.00

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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.