Home / 704,661.72-1,057,154.04-305,369.52

Finding the Fourth Proportional to 704,661.72, 1,057,154.04 and 305,369.52

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Solution

The fourth proportional to 704,661.72, 1,057,154.04 and 305,369.52 is: 458,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,661.72 : 1,057,154.04 = 305,369.52 : x
  2. Step 2: Convert to fraction form
    704,661.72/1,057,154.04 = 305,369.52/x
  3. Step 3: Cross multiply
    704,661.72x = 1,057,154.04 × 305,369.52
  4. Step 4: Simplify right side
    704,661.72x = 322,822,621,760.86
  5. Step 5: Solve for x
    x = 322,822,621,760.86/704,661.72
  6. Step 6: Final answer
    x = 458,124.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.