Home / 1,588,373.62-2,191,972.39-863,221.32

Finding the Fourth Proportional to 1,588,373.62, 2,191,972.39 and 863,221.32

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Solution

The fourth proportional to 1,588,373.62, 2,191,972.39 and 863,221.32 is: 1,191,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,373.62 : 2,191,972.39 = 863,221.32 : x
  2. Step 2: Convert to fraction form
    1,588,373.62/2,191,972.39 = 863,221.32/x
  3. Step 3: Cross multiply
    1,588,373.62x = 2,191,972.39 × 863,221.32
  4. Step 4: Simplify right side
    1,588,373.62x = 1,892,157,297,741.30
  5. Step 5: Solve for x
    x = 1,892,157,297,741.30/1,588,373.62
  6. Step 6: Final answer
    x = 1,191,254.55

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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.