Home / 1,331,105.60-1,995,927.20-655,700.80

Finding the Fourth Proportional to 1,331,105.60, 1,995,927.20 and 655,700.80

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Solution

The fourth proportional to 1,331,105.60, 1,995,927.20 and 655,700.80 is: 983,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,105.60 : 1,995,927.20 = 655,700.80 : x
  2. Step 2: Convert to fraction form
    1,331,105.60/1,995,927.20 = 655,700.80/x
  3. Step 3: Cross multiply
    1,331,105.60x = 1,995,927.20 × 655,700.80
  4. Step 4: Simplify right side
    1,331,105.60x = 1,308,731,061,781.76
  5. Step 5: Solve for x
    x = 1,308,731,061,781.76/1,331,105.60
  6. Step 6: Final answer
    x = 983,191.01

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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.