Home / 1,286,154.76-1,774,984.50-713,249.80

Finding the Fourth Proportional to 1,286,154.76, 1,774,984.50 and 713,249.80

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Solution

The fourth proportional to 1,286,154.76, 1,774,984.50 and 713,249.80 is: 984,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,154.76 : 1,774,984.50 = 713,249.80 : x
  2. Step 2: Convert to fraction form
    1,286,154.76/1,774,984.50 = 713,249.80/x
  3. Step 3: Cross multiply
    1,286,154.76x = 1,774,984.50 × 713,249.80
  4. Step 4: Simplify right side
    1,286,154.76x = 1,266,007,339,628.10
  5. Step 5: Solve for x
    x = 1,266,007,339,628.10/1,286,154.76
  6. Step 6: Final answer
    x = 984,335.15

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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.