Home / 673,475.20-929,393.84-371,667.04

Finding the Fourth Proportional to 673,475.20, 929,393.84 and 371,667.04

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Solution

The fourth proportional to 673,475.20, 929,393.84 and 371,667.04 is: 512,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,475.20 : 929,393.84 = 371,667.04 : x
  2. Step 2: Convert to fraction form
    673,475.20/929,393.84 = 371,667.04/x
  3. Step 3: Cross multiply
    673,475.20x = 929,393.84 × 371,667.04
  4. Step 4: Simplify right side
    673,475.20x = 345,425,057,507.03
  5. Step 5: Solve for x
    x = 345,425,057,507.03/673,475.20
  6. Step 6: Final answer
    x = 512,899.45

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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.