Home / 1,205,986.60-1,810,016.70-533,103.40

Finding the Fourth Proportional to 1,205,986.60, 1,810,016.70 and 533,103.40

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Solution

The fourth proportional to 1,205,986.60, 1,810,016.70 and 533,103.40 is: 800,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,986.60 : 1,810,016.70 = 533,103.40 : x
  2. Step 2: Convert to fraction form
    1,205,986.60/1,810,016.70 = 533,103.40/x
  3. Step 3: Cross multiply
    1,205,986.60x = 1,810,016.70 × 533,103.40
  4. Step 4: Simplify right side
    1,205,986.60x = 964,926,056,826.78
  5. Step 5: Solve for x
    x = 964,926,056,826.78/1,205,986.60
  6. Step 6: Final answer
    x = 800,113.41

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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.