Home / 1,521,108.42-2,099,154.44-832,768.75

Finding the Fourth Proportional to 1,521,108.42, 2,099,154.44 and 832,768.75

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Solution

The fourth proportional to 1,521,108.42, 2,099,154.44 and 832,768.75 is: 1,149,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,108.42 : 2,099,154.44 = 832,768.75 : x
  2. Step 2: Convert to fraction form
    1,521,108.42/2,099,154.44 = 832,768.75/x
  3. Step 3: Cross multiply
    1,521,108.42x = 2,099,154.44 × 832,768.75
  4. Step 4: Simplify right side
    1,521,108.42x = 1,748,110,207,269.46
  5. Step 5: Solve for x
    x = 1,748,110,207,269.46/1,521,108.42
  6. Step 6: Final answer
    x = 1,149,234.46

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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.