Home / 1,711,157.37-2,566,729.05-431,767.83

Finding the Fourth Proportional to 1,711,157.37, 2,566,729.05 and 431,767.83

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Solution

The fourth proportional to 1,711,157.37, 2,566,729.05 and 431,767.83 is: 647,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,157.37 : 2,566,729.05 = 431,767.83 : x
  2. Step 2: Convert to fraction form
    1,711,157.37/2,566,729.05 = 431,767.83/x
  3. Step 3: Cross multiply
    1,711,157.37x = 2,566,729.05 × 431,767.83
  4. Step 4: Simplify right side
    1,711,157.37x = 1,108,231,032,116.46
  5. Step 5: Solve for x
    x = 1,108,231,032,116.46/1,711,157.37
  6. Step 6: Final answer
    x = 647,649.98

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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.