Home / 1,217,612.00-1,825,855.02-685,132.98

Finding the Fourth Proportional to 1,217,612.00, 1,825,855.02 and 685,132.98

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Solution

The fourth proportional to 1,217,612.00, 1,825,855.02 and 685,132.98 is: 1,027,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,612.00 : 1,825,855.02 = 685,132.98 : x
  2. Step 2: Convert to fraction form
    1,217,612.00/1,825,855.02 = 685,132.98/x
  3. Step 3: Cross multiply
    1,217,612.00x = 1,825,855.02 × 685,132.98
  4. Step 4: Simplify right side
    1,217,612.00x = 1,250,953,490,900.56
  5. Step 5: Solve for x
    x = 1,250,953,490,900.56/1,217,612.00
  6. Step 6: Final answer
    x = 1,027,382.69

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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.