Home / 1,285,206.68-1,773,555.04-712,234.55

Finding the Fourth Proportional to 1,285,206.68, 1,773,555.04 and 712,234.55

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Solution

The fourth proportional to 1,285,206.68, 1,773,555.04 and 712,234.55 is: 982,866.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,206.68 : 1,773,555.04 = 712,234.55 : x
  2. Step 2: Convert to fraction form
    1,285,206.68/1,773,555.04 = 712,234.55/x
  3. Step 3: Cross multiply
    1,285,206.68x = 1,773,555.04 × 712,234.55
  4. Step 4: Simplify right side
    1,285,206.68x = 1,263,187,181,138.81
  5. Step 5: Solve for x
    x = 1,263,187,181,138.81/1,285,206.68
  6. Step 6: Final answer
    x = 982,866.96

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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.