Home / 1,403,053.80-2,105,200.35-682,996.20

Finding the Fourth Proportional to 1,403,053.80, 2,105,200.35 and 682,996.20

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Solution

The fourth proportional to 1,403,053.80, 2,105,200.35 and 682,996.20 is: 1,024,795.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,053.80 : 2,105,200.35 = 682,996.20 : x
  2. Step 2: Convert to fraction form
    1,403,053.80/2,105,200.35 = 682,996.20/x
  3. Step 3: Cross multiply
    1,403,053.80x = 2,105,200.35 × 682,996.20
  4. Step 4: Simplify right side
    1,403,053.80x = 1,437,843,839,288.67
  5. Step 5: Solve for x
    x = 1,437,843,839,288.67/1,403,053.80
  6. Step 6: Final answer
    x = 1,024,795.94

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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.