Home / 677,273.13-934,666.47-405,289.29

Finding the Fourth Proportional to 677,273.13, 934,666.47 and 405,289.29

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Solution

The fourth proportional to 677,273.13, 934,666.47 and 405,289.29 is: 559,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,273.13 : 934,666.47 = 405,289.29 : x
  2. Step 2: Convert to fraction form
    677,273.13/934,666.47 = 405,289.29/x
  3. Step 3: Cross multiply
    677,273.13x = 934,666.47 × 405,289.29
  4. Step 4: Simplify right side
    677,273.13x = 378,810,310,013.11
  5. Step 5: Solve for x
    x = 378,810,310,013.11/677,273.13
  6. Step 6: Final answer
    x = 559,316.90

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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.