Home / 1,317,254.42-1,817,813.01-713,642.42

Finding the Fourth Proportional to 1,317,254.42, 1,817,813.01 and 713,642.42

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Solution

The fourth proportional to 1,317,254.42, 1,817,813.01 and 713,642.42 is: 984,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,254.42 : 1,817,813.01 = 713,642.42 : x
  2. Step 2: Convert to fraction form
    1,317,254.42/1,817,813.01 = 713,642.42/x
  3. Step 3: Cross multiply
    1,317,254.42x = 1,817,813.01 × 713,642.42
  4. Step 4: Simplify right side
    1,317,254.42x = 1,297,268,475,563.88
  5. Step 5: Solve for x
    x = 1,297,268,475,563.88/1,317,254.42
  6. Step 6: Final answer
    x = 984,827.57

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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.