Home / 1,149,602.21-1,586,451.52-666,447.47

Finding the Fourth Proportional to 1,149,602.21, 1,586,451.52 and 666,447.47

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Solution

The fourth proportional to 1,149,602.21, 1,586,451.52 and 666,447.47 is: 919,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,602.21 : 1,586,451.52 = 666,447.47 : x
  2. Step 2: Convert to fraction form
    1,149,602.21/1,586,451.52 = 666,447.47/x
  3. Step 3: Cross multiply
    1,149,602.21x = 1,586,451.52 × 666,447.47
  4. Step 4: Simplify right side
    1,149,602.21x = 1,057,286,601,781.65
  5. Step 5: Solve for x
    x = 1,057,286,601,781.65/1,149,602.21
  6. Step 6: Final answer
    x = 919,697.78

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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.