Home / 835,995.55-1,253,116.70-408,941.88

Finding the Fourth Proportional to 835,995.55, 1,253,116.70 and 408,941.88

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Solution

The fourth proportional to 835,995.55, 1,253,116.70 and 408,941.88 is: 612,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,995.55 : 1,253,116.70 = 408,941.88 : x
  2. Step 2: Convert to fraction form
    835,995.55/1,253,116.70 = 408,941.88/x
  3. Step 3: Cross multiply
    835,995.55x = 1,253,116.70 × 408,941.88
  4. Step 4: Simplify right side
    835,995.55x = 512,451,897,112.69
  5. Step 5: Solve for x
    x = 512,451,897,112.69/835,995.55
  6. Step 6: Final answer
    x = 612,984.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.