Home / 1,236,549.78-1,854,914.85-383,513.13

Finding the Fourth Proportional to 1,236,549.78, 1,854,914.85 and 383,513.13

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Solution

The fourth proportional to 1,236,549.78, 1,854,914.85 and 383,513.13 is: 575,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,549.78 : 1,854,914.85 = 383,513.13 : x
  2. Step 2: Convert to fraction form
    1,236,549.78/1,854,914.85 = 383,513.13/x
  3. Step 3: Cross multiply
    1,236,549.78x = 1,854,914.85 × 383,513.13
  4. Step 4: Simplify right side
    1,236,549.78x = 711,384,200,006.98
  5. Step 5: Solve for x
    x = 711,384,200,006.98/1,236,549.78
  6. Step 6: Final answer
    x = 575,297.66

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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.