Home / 1,286,371.86-1,775,302.11-713,596.50

Finding the Fourth Proportional to 1,286,371.86, 1,775,302.11 and 713,596.50

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Solution

The fourth proportional to 1,286,371.86, 1,775,302.11 and 713,596.50 is: 984,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,371.86 : 1,775,302.11 = 713,596.50 : x
  2. Step 2: Convert to fraction form
    1,286,371.86/1,775,302.11 = 713,596.50/x
  3. Step 3: Cross multiply
    1,286,371.86x = 1,775,302.11 × 713,596.50
  4. Step 4: Simplify right side
    1,286,371.86x = 1,266,849,372,138.62
  5. Step 5: Solve for x
    x = 1,266,849,372,138.62/1,286,371.86
  6. Step 6: Final answer
    x = 984,823.60

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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.