Home / 1,317,217.86-1,817,762.52-713,605.86

Finding the Fourth Proportional to 1,317,217.86, 1,817,762.52 and 713,605.86

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Solution

The fourth proportional to 1,317,217.86, 1,817,762.52 and 713,605.86 is: 984,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,217.86 : 1,817,762.52 = 713,605.86 : x
  2. Step 2: Convert to fraction form
    1,317,217.86/1,817,762.52 = 713,605.86/x
  3. Step 3: Cross multiply
    1,317,217.86x = 1,817,762.52 × 713,605.86
  4. Step 4: Simplify right side
    1,317,217.86x = 1,297,165,986,360.37
  5. Step 5: Solve for x
    x = 1,297,165,986,360.37/1,317,217.86
  6. Step 6: Final answer
    x = 984,777.10

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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.