Home / 673,839.41-929,900.36-367,918.43

Finding the Fourth Proportional to 673,839.41, 929,900.36 and 367,918.43

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Solution

The fourth proportional to 673,839.41, 929,900.36 and 367,918.43 is: 507,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,839.41 : 929,900.36 = 367,918.43 : x
  2. Step 2: Convert to fraction form
    673,839.41/929,900.36 = 367,918.43/x
  3. Step 3: Cross multiply
    673,839.41x = 929,900.36 × 367,918.43
  4. Step 4: Simplify right side
    673,839.41x = 342,127,480,507.64
  5. Step 5: Solve for x
    x = 342,127,480,507.64/673,839.41
  6. Step 6: Final answer
    x = 507,728.51

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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.