Home / 673,730.96-929,905.08-444,329.78

Finding the Fourth Proportional to 673,730.96, 929,905.08 and 444,329.78

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Solution

The fourth proportional to 673,730.96, 929,905.08 and 444,329.78 is: 613,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,730.96 : 929,905.08 = 444,329.78 : x
  2. Step 2: Convert to fraction form
    673,730.96/929,905.08 = 444,329.78/x
  3. Step 3: Cross multiply
    673,730.96x = 929,905.08 × 444,329.78
  4. Step 4: Simplify right side
    673,730.96x = 413,184,519,617.28
  5. Step 5: Solve for x
    x = 413,184,519,617.28/673,730.96
  6. Step 6: Final answer
    x = 613,278.21

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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.