Home / 1,234,234.35-1,851,528.65-381,380.49

Finding the Fourth Proportional to 1,234,234.35, 1,851,528.65 and 381,380.49

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Solution

The fourth proportional to 1,234,234.35, 1,851,528.65 and 381,380.49 is: 572,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,234.35 : 1,851,528.65 = 381,380.49 : x
  2. Step 2: Convert to fraction form
    1,234,234.35/1,851,528.65 = 381,380.49/x
  3. Step 3: Cross multiply
    1,234,234.35x = 1,851,528.65 × 381,380.49
  4. Step 4: Simplify right side
    1,234,234.35x = 706,136,901,879.14
  5. Step 5: Solve for x
    x = 706,136,901,879.14/1,234,234.35
  6. Step 6: Final answer
    x = 572,125.47

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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.