Home / 709,094.44-978,564.02-386,816.38

Finding the Fourth Proportional to 709,094.44, 978,564.02 and 386,816.38

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Solution

The fourth proportional to 709,094.44, 978,564.02 and 386,816.38 is: 533,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,094.44 : 978,564.02 = 386,816.38 : x
  2. Step 2: Convert to fraction form
    709,094.44/978,564.02 = 386,816.38/x
  3. Step 3: Cross multiply
    709,094.44x = 978,564.02 × 386,816.38
  4. Step 4: Simplify right side
    709,094.44x = 378,524,591,814.65
  5. Step 5: Solve for x
    x = 378,524,591,814.65/709,094.44
  6. Step 6: Final answer
    x = 533,814.07

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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.