Home / 731,161.42-1,008,983.86-404,465.90

Finding the Fourth Proportional to 731,161.42, 1,008,983.86 and 404,465.90

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Solution

The fourth proportional to 731,161.42, 1,008,983.86 and 404,465.90 is: 558,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,161.42 : 1,008,983.86 = 404,465.90 : x
  2. Step 2: Convert to fraction form
    731,161.42/1,008,983.86 = 404,465.90/x
  3. Step 3: Cross multiply
    731,161.42x = 1,008,983.86 × 404,465.90
  4. Step 4: Simplify right side
    731,161.42x = 408,099,558,964.29
  5. Step 5: Solve for x
    x = 408,099,558,964.29/731,161.42
  6. Step 6: Final answer
    x = 558,152.48

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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.