Home / 1,317,219.96-1,817,752.14-713,606.52

Finding the Fourth Proportional to 1,317,219.96, 1,817,752.14 and 713,606.52

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Solution

The fourth proportional to 1,317,219.96, 1,817,752.14 and 713,606.52 is: 984,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,219.96 : 1,817,752.14 = 713,606.52 : x
  2. Step 2: Convert to fraction form
    1,317,219.96/1,817,752.14 = 713,606.52/x
  3. Step 3: Cross multiply
    1,317,219.96x = 1,817,752.14 × 713,606.52
  4. Step 4: Simplify right side
    1,317,219.96x = 1,297,159,778,847.95
  5. Step 5: Solve for x
    x = 1,297,159,778,847.95/1,317,219.96
  6. Step 6: Final answer
    x = 984,770.82

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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.