Home / 673,617.96-929,561.22-386,936.36

Finding the Fourth Proportional to 673,617.96, 929,561.22 and 386,936.36

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Solution

The fourth proportional to 673,617.96, 929,561.22 and 386,936.36 is: 533,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,617.96 : 929,561.22 = 386,936.36 : x
  2. Step 2: Convert to fraction form
    673,617.96/929,561.22 = 386,936.36/x
  3. Step 3: Cross multiply
    673,617.96x = 929,561.22 × 386,936.36
  4. Step 4: Simplify right side
    673,617.96x = 359,681,034,863.96
  5. Step 5: Solve for x
    x = 359,681,034,863.96/673,617.96
  6. Step 6: Final answer
    x = 533,954.05

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1.5x scale

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.