Home / 1,236,863.55-1,854,000.43-517,617.35

Finding the Fourth Proportional to 1,236,863.55, 1,854,000.43 and 517,617.35

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Solution

The fourth proportional to 1,236,863.55, 1,854,000.43 and 517,617.35 is: 775,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,863.55 : 1,854,000.43 = 517,617.35 : x
  2. Step 2: Convert to fraction form
    1,236,863.55/1,854,000.43 = 517,617.35/x
  3. Step 3: Cross multiply
    1,236,863.55x = 1,854,000.43 × 517,617.35
  4. Step 4: Simplify right side
    1,236,863.55x = 959,662,780,205.46
  5. Step 5: Solve for x
    x = 959,662,780,205.46/1,236,863.55
  6. Step 6: Final answer
    x = 775,884.11

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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.